Old 07-14-2018, 01:13 AM #1
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Post I'm back

I am back and kinda after a long break and I am interested to see all the new cool stuff, and possibly buy a yellow with my new job.


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Old 07-14-2018, 03:21 AM #2
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Default Re: I'm back

Welcome back. There are some new yellow DPSS lab lasers available in 565nm and 575nm from Opt Lasers in China. I believe they are now selling for $50.00 plus shipping, but are currently out of stock. The 575nm one is pure yellow while the 565nm one has some green in it. There are still no direct diodes in yellow available to us, so these are the only new ones. I have one in my signature that cost me a total of $60.00.
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Old 07-14-2018, 01:42 PM #3
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Default Re: I'm back

Welcome back Bw...

Jerry
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Old 07-14-2018, 01:53 PM #4
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Default Re: I'm back

Welcome back - We've seen a few members come back lately who have been absent for years.
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Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be ~very~ roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

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YAG Power Calc. Laser Peak Power Calculator - Ophir

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Old 07-14-2018, 02:42 PM #5
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Default Re: I'm back

Welcome back, Blackwolf!
Take a look through DTR's store, and you'll see quite a few new diodes and wavelengths, and all of them will be saying "buy me".

@Alaskan, yep, it's been a busy week regarding returning members, I think we've had 4 come back, if you include Marco Polo who comes and go's
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Old 07-14-2018, 08:19 PM #6
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Default Re: I'm back

I have reached out to several MIA's by PM as well as a +12KBAM to their rep-- those get attention.
PMing absent members takes very little time and I have gotten nice replies-- some want to come back or have.. some still need time away from LPF-

I like to think it has evolved lately and became more friendly.. more fun- learning new stuff all the time.


best wishes (GO CROATIA)
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Old 07-14-2018, 09:00 PM #7
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Default Re: I'm back

Welcome back!
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Old 07-15-2018, 04:43 AM #8
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Default Re: I'm back

Nice to meet you and welcome back Blackwolf

-Charles
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Old 07-15-2018, 04:48 AM #9
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Default Re: I'm back

wow cool labbys, also thank you guys <3
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Old 07-15-2018, 04:50 AM #10
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Default Re: I'm back

Why is the rep so big
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Old 07-15-2018, 05:05 AM #11
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Default Re: I'm back

Past drama in the forum and neg repping abuse miffed off a fairly new member who started giving out reps to everyone he could to raise all boats, it worked, took two years of giving out ten reps a day, every day, but with everyone having more reps to give out and others who began to do the same thing, now we are megga rep land. We are just having fun with it now, trying to max the system out.
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Divergence to spot size calc: - 1 mRad is about .057 degrees which expands to be ~very~ roughly ~10% the diameter of the moon or sun at their distances.

Divergence Calculator: pseudonomen137's JScript mRad Calculator - Measure your lasers beam dia. at 1 foot & then 20'.

Online calc. to determine spot intensity at different mRad's & powers: http://tinyurl.com/divergence-calculator

Laser Power Density Calculator: Laser Power Density Calculator - Ophir

Build a beam expander to reduce divergence: http://tinyurl.com/BeamExpander

University YAG Project The Professor's Homebuilt Lasers Site - YAG Lasers

YAG Power Calc. Laser Peak Power Calculator - Ophir

Angular Size Calculator; use with diode angle of radiation spec. for lens dia. at FL: Angular Size Calculator

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Old 07-15-2018, 08:36 AM #12
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Default Re: I'm back

its nice to have returning member on the hobby,wish our community was bigger,at least we are not drawing much attention to the hobby that way
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Old 07-15-2018, 10:37 AM #13
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Welcome back Blackwolf. Same as deadshadow, it's nice to members return.
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Jet Lasers offers various high quality Diode/DPSS Portables in their PL-E Pro hosts. Jet Lasers are known for their quality and are respected on LPF.
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Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
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Sanwu are known to be very high quality and every newcomer should check them out.
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Old 07-15-2018, 09:58 PM #14
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I have 'looked up' the First post/thread of many members-- active- MIA or gone..
Pradipta got some welcome to his intro- safe-use advice etc and a suggestion about NOT going big on your first (ish)
handheld. I will quote him-brb

This is actually his second thread..#1 was asking about$$$$$ 1W 532 from BOBLASERS
an intro was suggested here is his 'intro'..

Hello from Indonesia

--------------------------------------------------------------------------------

hi everybody, im another laser hobbyist and addict from Indonesia..
finally i made an account for this forum

(underwhelming--yes? .
________________
first post..


Quote:

Originally Posted by anselm
Hello and welcome to the forum!

Read the stickies, use the search function, and most of all BE SAFE!
As a suggestion, start off with lower powered lasers (<50mW, <100mW) before you move
up to the big guns.

Pradipta's reply:
yeah sure, i'll do that


except for starting with low powered lasers


hahaha ^^^^ I bet that is what 90% 'think' when we advise them to start low power.. HE just had the stones to post it. (hope he passed on 1W of BOBLaser-)

what was your first thread/posts?

my intro happened months after joining.

welcome back Blackwolf.

hak
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QS/FB3 +Beyond-APC40-Mamba Black(clone) 5paghettix2 and I-show x2-Kasio synth-midi
KGB- 532 1.1W 445 2.2W 655 1.3W DT Pro 40 still needs more red.
KGB1W+ 532 DT Pro 40 soon to be GB.
Laserking 1300RGB FULL COLOR 30K(may be FS)
Laserking RGB LK PD2 500 and LK SD 850
REKE RGB 500- G 300
HeNes-(12)R(3)G-COH-594/5 mW-thnx DrSam
MULTILINE-147mW[
445nm 180mW-Mini spiro-Yob.
LPMs-RadiantAlpha& Pro5W-AixiZ SPER/KenmeterLite/LB1
Spacelas 1178mW 655nm/AixiZ 300mW532&
2 B&W 473nm 5/6mW lab
JETLRS1.3W&1.2W-MGL-H
638 180mW ttl mimi lab (av. 230mW)
405 100mW ttl mini lab
445 300 mW ttl mni lab ^AixiZ^ all for a lumia PJ
*MightyMite 2000* RGB all diode 2.2W 30K- 637/520./450...NEW!!
Guide DIY Pjs by Dan-
http://nqlasers.com/scannerreference/index.php?title=Main_Page

Last edited by hakzaw1; 07-17-2018 at 03:01 AM.
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