Old 12-05-2011, 02:17 AM #1
Misanthrop's Avatar
Class 2M Laser
 
Join Date: Aug 2011
Location: England.
Posts: 709
Rep Power: 30
Misanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond repute
Misanthrop Misanthrop is offline
Class 2M Laser
Misanthrop's Avatar
 
Join Date: Aug 2011
Location: England.
Posts: 709
Rep Power: 30
Misanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond repute
Default Look at this DPSS crystal!

This is two crystals from a 532 DPSS system, I can't remember the names of the crystals, but I think it's definitely an 808 system....

With the purple crystal doubling and the green hueish halving it.

Basically the crystal on the bottom with the purple coated sides just looks a bit odd to me, like the whole thing should be purple rather than just how it is below with those weird yellow bits around it like a halo.

Then you have the one on the top which has a slightly green hue to it, that may narrow it down for someone who knows their crystals.

I'm going to try a few things with them but I need to know if that crystal has or hasn't deteriorated, I've tried shining an 808 through them both with no results, and I didn't have enough time to do any alignments properly before I broke the IR pen I had

I'm just wondering if this looks familiar to anyone who's had problem's with these crystals before, and where I could possibly get another in the same dimensions if it comes to light that it's deteriorated.









__________________
Reviews to come...

Lazerer - 2W IR 808
Lazerer - 500mW Greenie

Last edited by Misanthrop; 12-05-2011 at 06:10 PM.
Misanthrop is offline   Reply With Quote


















Old 12-05-2011, 06:06 PM #2
Misanthrop's Avatar
Class 2M Laser
 
Join Date: Aug 2011
Location: England.
Posts: 709
Rep Power: 30
Misanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond repute
Misanthrop Misanthrop is offline
Class 2M Laser
Misanthrop's Avatar
 
Join Date: Aug 2011
Location: England.
Posts: 709
Rep Power: 30
Misanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Bump! < Better believe it because I did it!
__________________
Reviews to come...

Lazerer - 2W IR 808
Lazerer - 500mW Greenie

Last edited by Misanthrop; 12-05-2011 at 06:07 PM.
Misanthrop is offline   Reply With Quote
Old 12-05-2011, 06:57 PM #3
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
ElektroFreak ElektroFreak is offline
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
Default Re: Look at this DPSS crystal!

The thin square crystal with the circular coating on it is Nd:YVO4, which is pumped with an 808nm diode to produce 1064nm output. The larger crystal with the arrows on it is a KTP doubling crystal. This takes 2 1064nm photons and combines them into one 532nm photon, producing green output. Both of your crystals look good based on these pics, but there is some graininess so I can't pick out fine details. As far as sources go, I'd check o-like.com and ebay seller "snoctony".
__________________
Laser Resources (for n00bs and veterans alike!)

Sam's Laser FAQ (The Laser Bible)

http://www.repairfaq.org/sam/laserfaq.htm

RP Photonics Encyclopedia of Laser Physics and Technology

http://www.rp-photonics.com/encyclopedia.html

ULTIMATE DIY PROJECTOR REFERENCE

http://nqlasers.com/scannerreference...itle=Main_Page

SUCCESS is the best revenge.
ElektroFreak is offline   Reply With Quote
Old 12-05-2011, 07:03 PM #4
rhd's Avatar
rhd rhd is offline
Class 4 Laser
 
Join Date: Dec 2010
Posts: 8,491
Rep Power: 3580
rhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond repute
rhd rhd is offline
Class 4 Laser
rhd's Avatar
 
Join Date: Dec 2010
Posts: 8,491
Rep Power: 3580
rhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond reputerhd has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Quote:
Originally Posted by ElektroFreak View Post
The thin square crystal with the circular coating on it is Nd:YVO4, which is pumped with an 808nm diode to produce 1064nm output. The larger crystal with the arrows on it is a KTP doubling crystal. This takes 2 1064nm photons and combines them into one 532nm photon, producing green output. Both of your crystals look good based on these pics, but there is some graininess so I can't pick out fine details. As far as sources go, I'd check o-like.com and ebay seller "snoctony".
That's conceptually difficult for me to understand.

It seems like it should take 1 1064nm photon and split it into 2 532nm photons.
__________________
CURRENT WAVELENGTHS:
405|441|450|467|473|495|505|520|532|556|PGLRG|589|594|632|638|660


SAFETY & IMPORTANT READING (threads authored and contributed to by various members of LPF):
- Federal Aviation Administration - Laser Safety Initiative (link)
- Info release from Laserglow - Default Canadian restrictions on portable lasers (link)
- The Necessity of Safety Goggles (link)

rhd is offline   Reply With Quote
Old 12-05-2011, 07:50 PM #5
Member
 
Join Date: Nov 2011
Posts: 39
Rep Power: 0
Shadow187 is on a distinguished road
Shadow187 Shadow187 is offline
Member
 
Join Date: Nov 2011
Posts: 39
Rep Power: 0
Shadow187 is on a distinguished road
Default Re: Look at this DPSS crystal!

You're combining two photons to make one with twice the energy, twice the frequency, and therefore, twice the wavelength.
Shadow187 is offline   Reply With Quote
Old 12-05-2011, 07:59 PM #6
Ablaze's Avatar
Class 2 Laser
 
Join Date: Oct 2011
Location: USA
Posts: 468
Rep Power: 23
Ablaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant future
Ablaze Ablaze is offline
Class 2 Laser
Ablaze's Avatar
 
Join Date: Oct 2011
Location: USA
Posts: 468
Rep Power: 23
Ablaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant future
Default Re: Look at this DPSS crystal!

_____/\______/\______/\__ <--- dist between = 1064
+
_/\______/\______/\______
=
_/\__/\__/\__/\__/\__/\__/\ <--- dist between = 532
__________________
If your feet smell and your nose runs then you're probably put together upside down.
Quote:
Originally Posted by Sigurthr View Post
(pun intended and quite cheesy)
Quote:
Originally Posted by ARGLaser View Post
Thats a bad joke.
Ablaze is offline   Reply With Quote
Old 12-05-2011, 08:12 PM #7
DrSid's Avatar
Class 3R Laser
 
Join Date: Jul 2010
Location: Olomouc, Czech Republic
Posts: 1,516
Rep Power: 153
DrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond repute
DrSid DrSid is offline
Class 3R Laser
DrSid's Avatar
 
Join Date: Jul 2010
Location: Olomouc, Czech Republic
Posts: 1,516
Rep Power: 153
DrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond reputeDrSid has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Quote:
Originally Posted by Shadow187 View Post
You're combining two photons to make one with twice the energy, twice the frequency, and therefore, twice the wavelength.
Half the wavelength you mean ..
__________________
200mw (35mw compared) FocalPrice cheap green AA - Review
500mw (estimated) 445nm Minimalistic Orange Emos Direct Drive. Thread
1500mw (estimated) 445nm Jayrob's Solarforce L2P. Review
DrSid is offline   Reply With Quote
Old 12-05-2011, 08:25 PM #8
qumefox's Avatar
Class 3B Laser
 
Join Date: Mar 2010
Location: Jackson, TN
Posts: 3,234
Rep Power: 4714
qumefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond repute
qumefox qumefox is offline
Class 3B Laser
qumefox's Avatar
 
Join Date: Mar 2010
Location: Jackson, TN
Posts: 3,234
Rep Power: 4714
qumefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Just 'shining 808nm' at these isn't going to get you anywhere. You need both crystals, as well as OC and HR mirrors (though the rear face of the gain crystal is probably HR coated) all precisely aligned to form an optical cavity before you get any green light out. When dealing with two part crystal sets, the complexity goes WAY up compared to the cheap bonded crystal pairs that are basically 'standalone' and only require being pumped.
__________________
Wavelengths in 'The Collection'
685nm, 655nm, 635nm, 589nm, 532nm, 473nm, 445nm, 405nm
qumefox is offline   Reply With Quote
Old 12-05-2011, 08:35 PM #9
Ablaze's Avatar
Class 2 Laser
 
Join Date: Oct 2011
Location: USA
Posts: 468
Rep Power: 23
Ablaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant future
Ablaze Ablaze is offline
Class 2 Laser
Ablaze's Avatar
 
Join Date: Oct 2011
Location: USA
Posts: 468
Rep Power: 23
Ablaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant futureAblaze has a brilliant future
Default Re: Look at this DPSS crystal!

Quote:
Originally Posted by qumefox View Post
When dealing with two part crystal sets, the complexity goes WAY up compared to the cheap bonded crystal pairs that are basically 'standalone' and only require being pumped.
May I quote you in the "how to start a threesome" thread?
__________________
If your feet smell and your nose runs then you're probably put together upside down.
Quote:
Originally Posted by Sigurthr View Post
(pun intended and quite cheesy)
Quote:
Originally Posted by ARGLaser View Post
Thats a bad joke.
Ablaze is offline   Reply With Quote
Old 12-05-2011, 08:36 PM #10
qumefox's Avatar
Class 3B Laser
 
Join Date: Mar 2010
Location: Jackson, TN
Posts: 3,234
Rep Power: 4714
qumefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond repute
qumefox qumefox is offline
Class 3B Laser
qumefox's Avatar
 
Join Date: Mar 2010
Location: Jackson, TN
Posts: 3,234
Rep Power: 4714
qumefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Lol. Get out of the gutter.
__________________
Wavelengths in 'The Collection'
685nm, 655nm, 635nm, 589nm, 532nm, 473nm, 445nm, 405nm
qumefox is offline   Reply With Quote
Old 12-05-2011, 08:53 PM #11
Cyparagon's Avatar
Class 4 Laser
 
Join Date: Sep 2007
Location: Wisconsin
Posts: 9,293
Rep Power: 208829
Cyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond repute
Cyparagon Cyparagon is offline
Class 4 Laser
Cyparagon's Avatar
 
Join Date: Sep 2007
Location: Wisconsin
Posts: 9,293
Rep Power: 208829
Cyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond reputeCyparagon has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Why don't you join me instead?

__________________
A problem well stated is a problem half solved.
Cyparagon is offline   Reply With Quote
Old 12-05-2011, 09:27 PM #12
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
ElektroFreak ElektroFreak is offline
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Quote:
Originally Posted by rhd View Post
That's conceptually difficult for me to understand.

It seems like it should take 1 1064nm photon and split it into 2 532nm photons.
As wavelength decreases, the energy per photon increases. When a doubling crystal acts on incoming light, it combines two photons with x energy into one photon with 2x energy and half the wavelength.
__________________
Laser Resources (for n00bs and veterans alike!)

Sam's Laser FAQ (The Laser Bible)

http://www.repairfaq.org/sam/laserfaq.htm

RP Photonics Encyclopedia of Laser Physics and Technology

http://www.rp-photonics.com/encyclopedia.html

ULTIMATE DIY PROJECTOR REFERENCE

http://nqlasers.com/scannerreference...itle=Main_Page

SUCCESS is the best revenge.
ElektroFreak is offline   Reply With Quote
Old 12-05-2011, 09:30 PM #13
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
ElektroFreak ElektroFreak is offline
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Quote:
Originally Posted by qumefox View Post
Just 'shining 808nm' at these isn't going to get you anywhere. You need both crystals, as well as OC and HR mirrors (though the rear face of the gain crystal is probably HR coated) all precisely aligned to form an optical cavity before you get any green light out. When dealing with two part crystal sets, the complexity goes WAY up compared to the cheap bonded crystal pairs that are basically 'standalone' and only require being pumped.
True. This thread really helps lay out the basic requirements of discrete crystals:
http://laserpointerforums.com/f45/do...als-42495.html
__________________
Laser Resources (for n00bs and veterans alike!)

Sam's Laser FAQ (The Laser Bible)

http://www.repairfaq.org/sam/laserfaq.htm

RP Photonics Encyclopedia of Laser Physics and Technology

http://www.rp-photonics.com/encyclopedia.html

ULTIMATE DIY PROJECTOR REFERENCE

http://nqlasers.com/scannerreference...itle=Main_Page

SUCCESS is the best revenge.
ElektroFreak is offline   Reply With Quote
Old 12-05-2011, 09:43 PM #14
Misanthrop's Avatar
Class 2M Laser
 
Join Date: Aug 2011
Location: England.
Posts: 709
Rep Power: 30
Misanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond repute
Misanthrop Misanthrop is offline
Class 2M Laser
Misanthrop's Avatar
 
Join Date: Aug 2011
Location: England.
Posts: 709
Rep Power: 30
Misanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond reputeMisanthrop has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Quote:
Originally Posted by qumefox View Post
Just 'shining 808nm' at these isn't going to get you anywhere. You need both crystals, as well as OC and HR mirrors (though the rear face of the gain crystal is probably HR coated) all precisely aligned to form an optical cavity before you get any green light out. When dealing with two part crystal sets, the complexity goes WAY up compared to the cheap bonded crystal pairs that are basically 'standalone' and only require being pumped.
I was using both crystals, this is out out of a labby and I took the head off so I could shine the 808 through them both when they were in place, obviously as you said I need to move them around to a precise point.

I'll just have to wait for that lazerer 2W to come before I can mess around with them.
__________________
Reviews to come...

Lazerer - 2W IR 808
Lazerer - 500mW Greenie
Misanthrop is offline   Reply With Quote
Old 12-05-2011, 09:53 PM #15
qumefox's Avatar
Class 3B Laser
 
Join Date: Mar 2010
Location: Jackson, TN
Posts: 3,234
Rep Power: 4714
qumefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond repute
qumefox qumefox is offline
Class 3B Laser
qumefox's Avatar
 
Join Date: Mar 2010
Location: Jackson, TN
Posts: 3,234
Rep Power: 4714
qumefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond reputequmefox has a reputation beyond repute
Default Re: Look at this DPSS crystal!

You probably would have had better luck had you left them in the housing they were in with the optics they had. When you took them out, you made things REALLY hard on yourself. For DPSS to work, you pretty much need the alignment of all the components of the system almost in perfect alignment to get anything out of it. Otherwise the optical losses will exceed the gain you get, and you get nothing.
__________________
Wavelengths in 'The Collection'
685nm, 655nm, 635nm, 589nm, 532nm, 473nm, 445nm, 405nm
qumefox is offline   Reply With Quote
Old 12-05-2011, 09:57 PM #16
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
ElektroFreak ElektroFreak is offline
Class 4 Laser
 
Join Date: Nov 2008
Posts: 5,728
Rep Power: 3030
ElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond reputeElektroFreak has a reputation beyond repute
Default Re: Look at this DPSS crystal!

Yeah he'll probably be aligning for a good while, but that's actually a good thing just for the learning experience. Typically when I replace a pump diode I leave everything about the crystal set exactly as it was from the factory. That way all I have to do is adjust the pump diode for the best output.
__________________
Laser Resources (for n00bs and veterans alike!)

Sam's Laser FAQ (The Laser Bible)

http://www.repairfaq.org/sam/laserfaq.htm

RP Photonics Encyclopedia of Laser Physics and Technology

http://www.rp-photonics.com/encyclopedia.html

ULTIMATE DIY PROJECTOR REFERENCE

http://nqlasers.com/scannerreference...itle=Main_Page

SUCCESS is the best revenge.
ElektroFreak is offline   Reply With Quote
Reply





Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

























Privacy Policy | Advertising Disclaimer | Terms of Use


 


All times are GMT. The time now is 03:09 PM.


Powered by: vBulletin
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO
Privacy Policy | Advertising Disclaimer | Terms of Use
Copyright (C) 2017 Laser Pointer Forums, LLC