Old 03-18-2017, 05:51 AM #1761
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Default Re: Post your random pics!

If I use a NUBM44 to set it on fire, will I be able to talk to God?


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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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Old 03-18-2017, 04:43 PM #1762
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Default Re: Post your random pics!

one half of a bipolar marx generator I'm doing , input is around 12 - 13Kv , 15 stages .

Gap in picture is 18.5cm .

Exposure was 8 seconds , iso 100

P1010149 by TwirlyWhirly555, on Flickr
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Old 03-18-2017, 04:58 PM #1763
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Default Re: Post your random pics!

Yikes!
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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

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

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Old 03-22-2017, 03:18 PM #1764
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Default Re: Post your random pics!

Todays ride, they needed to get me somewhere fast so diverted these choppers to come pick me up, they hate it when their internet is down. They always travel in pairs.






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Attention new brothers of the collimated light!

Newbie advice: Please take the time to first make an introduction in the Welcome section before posting questions: - https://laserpointerforums.com/f37


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

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 03-22-2017 at 07:34 PM.
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Old 03-22-2017, 05:52 PM #1765
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Default Re: Post your random pics!

@Alaskan. You take care while you are there, Chris. We are not getting any younger and this looks to come with significant risk. Would be depressed to hear something bad happened to you.
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Old 03-22-2017, 06:20 PM #1766
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Default Re: Post your random pics!

^^^^ yep, exactly what he said! ^^^^
Even though you do get to ride in the coolest vehicles!

Chris, I've got a question for you, while we're over here and loving all these nice pics and videos of yours, has there been any problems with you posting any of this?
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Old 03-22-2017, 06:25 PM #1767
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Default Re: Post your random pics!

Quote:
Originally Posted by paul1598419 View Post
@Alaskan. You take care while you are there, Chris. We are not getting any younger and this looks to come with significant risk. Would be depressed to hear something bad happened to you.
Yes as this seemed more of a get me somewhere quick safe trip
and seeing the machine gun support really got me wondering
Don't know how much time you have left but do take care of your self
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Old 03-22-2017, 07:13 PM #1768
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Default Re: Post your random pics!

The machine gun makes it look scary, but they never use them, it is just normal ops, every one of these Chinooks have them and people manning them where ever they go over here. I don't worry for myself, I'm convinced if something should happen where I die, I will find myself in a awesome place and happier than I could be here. If not, I will never know, or perhaps, end up in hell, if you believe some of the religious stuff. It's an adventure both here and beyond, I am convinced.

My wife on the other hand would not deserve to suffer my death, or my children. If I really thought it wasn't safe, I wouldn't do it.

BowtieGuy: This stuff isn't a problem to post, but there are some places I am not allowed to take photo's. I was invited to come up to the window and take better photo's by one of the crewmen, but I didn't feel a need to do so, especially with that back end open, I'd rather keep my seat belt on. We had a general walking around with a news camera the other day showing all kinds of stuff in the background I am not allowed to show, so I don't point at that stuff, but he didn't seem to care.
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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

RHD's Relative Brightness vs Wavelength Calc: https://tinyurl.com/RHD-brightness

High Current Pulse Diode Drivers: https://tinyurl.com/ya7whuk3

Last edited by Alaskan; 03-22-2017 at 07:28 PM.
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Old 03-22-2017, 07:46 PM #1769
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Default Re: Post your random pics!

Quote:
Originally Posted by DashApple View Post
one half of a bipolar marx generator I'm doing , input is around 12 - 13Kv , 15 stages .

Gap in picture is 18.5cm .

Exposure was 8 seconds , iso 100

P1010149 by TwirlyWhirly555, on Flickr
That gap looks like it's 18 inches! Not 18cm!
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Old 03-22-2017, 07:52 PM #1770
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Default Re: Post your random pics!

Very nice pictures Alaskan. Not everyone gets to experience that. It is cool that you was invited to take better pictures. Stay safe my friend.
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Old 03-22-2017, 07:53 PM #1771
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Default Re: Post your random pics!

Man Chris, cool pics, you are really living an adventure, do you wear a chute while onboard?

How's the housing arrangements these days?
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Old 03-23-2017, 03:18 AM #1772
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Default Re: Post your random pics!

Spring is almost here in Yellowknife! Picked up a new Samsung Galaxy S7 on Monday so here are some pictures from that. Reduced the resolution for a better fit.





Also, had to throw this together the other day ... There's another DVI cable on the other end of the one in the picture too. (this one is from the S5, not the S7!)

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650nm | Sanwu Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W
1064nm | Bruker SmartBeam | Q-switched Nd:YAG


Last edited by diachi; 03-23-2017 at 05:50 AM.
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Old 03-23-2017, 05:23 AM #1773
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Default Re: Post your random pics!

Reminds me of spring in Montana. The snow didn't thaw until well into May. They would pile it up in large mounds to keep the parking lots open.
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Old 03-23-2017, 05:50 AM #1774
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Lightbulb Re: Post your random pics!

Quote:
Originally Posted by paul1598419 View Post
I have no idea either. It's definitely not a conifer, though.
In response to Alaskan's pic
looks a great deal to me like Helmand prov, Afghanistan.

Stay safe.

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Old 03-23-2017, 09:54 AM #1775
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Default Re: Post your random pics!

Lots of snow, like home. RCB, so far I'm still in a tent:



Ain't it great!
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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'.

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Old 03-23-2017, 10:06 AM #1776
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Default Re: Post your random pics!

Alaskan, can a civilian carry a weapon?
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