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Old 02-13-2012, 06:44 AM #1
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Default noob with questions? (what else is new?)

New to the forum and the subject of lasers. I am amazed at how much this industry has changed in the last 20 years.

I have a specific need and a couple of questions relating to that need.

I need to IR illuminate an area of approximately 50 feet at a distance of approximately 500 yards. I want something over 900nm. Say 940-980nm.

I would like it illuminated enough to take video using a CCD video camera with some level of detail when shot through a spotting scope. I would like it to be illuminated continuously for maybe a 6 hour period each night.

I have been looking at laser pointers as something to initially test but have these questions:

1. At that distance will a laser pointer that is "focusable" be able to open up the dot to that wide a spread and how does a person know how wide they can make the dot open up on any particular pointer without having to use a camera to test the pointer first?

2. If the "duty cycle" of a pointer won't handle this length of time, then could a person use two pointers and cycle power to one for a few seconds and then to the other, so as to keep the area illuminated?

3. Can anyone suggest a brand model pointer that might work for me?

4. And finally, if I use a (for instance) 250mw laser pointer, will the beam be "eye safe" at that distance and spread or would I need to reduce power even further and/or open the beam up even further. I guess the question really is, how much power would I need to illuminate the area at that distance and would that power level then be "eye safe" at that distance?

Any help would be greatly appreciated.

Ozark Harry


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Old 02-13-2012, 10:55 AM #2
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Default Re: noob with questions? (what else is new?)

to the Forum....
Don't forget to read the FAQs...the Stickies
and the Forum Rules..

If you plan on buying anything on the Forum....
PLEASE read this first...

6 Steps To Prevent You From Getting Scammed

and this....

37 Reasons NOT to Buy From Wicked Lasers

If you do get a Laser or already have one be sure
to get appropriate Laser Safety Goggles/Glasses...

Enjoy your stay...


As to your question on IR illumination... I would use Night
surveillance LED IR projectors. They are inexpensive and safe.

We have had other discussions on using Lasers for this use.
A little research on the Forum should get you those Threads.



Jerry
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Last edited by lasersbee; 02-13-2012 at 11:42 AM. Reason: Spelling errors
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Old 02-13-2012, 11:04 AM #3
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Default Re: noob with questions? (what else is new?)

Quote:
Originally Posted by electron View Post
Quoted SPAM
I am beginning to think that you are being paid by WL.
You are constantly posting about them and making them up to be a great company and now you are spamming new members with links to their products.
The OP asked for an IR laser which could stay on for 6 hours every night. The Krypton has no relation what so ever to either of those requests.
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Last edited by daguin; 02-13-2012 at 12:03 PM.
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Old 02-13-2012, 11:07 AM #4
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Default Re: noob with questions? (what else is new?)

These are threads on this forum.......not spam.
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Nova Endeavor Series Laser - Average: 305.4mW Peak: 329.8mW
Nova Lasers X125, X150 & X175, DL100, BFGLaser 125mW

A-Laser Model AD66Y0PGD 660nm 200mW
DX-200 660nm & 532nm, Leadlights & numerous 5mw-100mW 532mn
IgorT (6x) 209mW & (PHR) 140mW, Kryton 155mW, Daguin 165mW
Wicked Lasers S3 Spyder Krypton 1W model and 750mW+ model (839mW)
Wicked Lasers S3 Spyder Arctic G1 (825mW) and Arctic G2 (805mW) SmartSwitch Technology V1 & V2 Models w/Expanded Optic Kits
Jayrob 18650 w/MicroBoost & CU Heatsink A140 Diode 900mW, 295mW Pen by Pontiacg5
Rifle v2 Full 1.2W,
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Coherent's Newest High Performance LabMax-TOP Laser Power/Energy Meter Accuracy 1.0%, Power Resolution 0.00001 Statistical Analysis: Min, Max, Mean, Range, Std Dev, Energy Dose, & Stability; Trend Charting, Tuning, Beam Stability Analysis, Extra Large Positional Display (112mm x 78mm) and Data Logging to a USB Flash Drive Directly on the Meter or PC w/ LabView Software.

D4thing LPM (3W), Andover LPM-1, Optic kits, and Certified Safety Glasses for Green, Red & Blue Lasers.
Chargers: Pila IBC (Swiss Designed & Engineered) the Gold Standard (UL). Xtar SP2 & VP1, Soshine SC-S1max V3 EagleTac & KeepPower 18650 3400mAh AA/AAA La Crosse BC1000 Maha MH-C9000 Eneloops
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Old 02-13-2012, 11:11 AM #5
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Default Re: noob with questions? (what else is new?)

Quote:
Originally Posted by Jaseth View Post
Why are you posting this spam?
I was thinking the same thing and he always does it right
after one of my posts...

I think he's in love with me... and I'm not flattered....

Jerry
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Old 02-13-2012, 11:21 AM #6
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Default Re: noob with questions? (what else is new?)

Correction Jerry, check some of your welcome messages.....you posted them right after my post too.
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Optotronics RPL-500 & RPL-450 Melles Griot Beam Expanders 3x, 10x, 20x, Zoom 2.5x-10x
Nova Endeavor Series Laser - Average: 305.4mW Peak: 329.8mW
Nova Lasers X125, X150 & X175, DL100, BFGLaser 125mW

A-Laser Model AD66Y0PGD 660nm 200mW
DX-200 660nm & 532nm, Leadlights & numerous 5mw-100mW 532mn
IgorT (6x) 209mW & (PHR) 140mW, Kryton 155mW, Daguin 165mW
Wicked Lasers S3 Spyder Krypton 1W model and 750mW+ model (839mW)
Wicked Lasers S3 Spyder Arctic G1 (825mW) and Arctic G2 (805mW) SmartSwitch Technology V1 & V2 Models w/Expanded Optic Kits
Jayrob 18650 w/MicroBoost & CU Heatsink A140 Diode 900mW, 295mW Pen by Pontiacg5
Rifle v2 Full 1.2W,
Rifle v2 Full 500mW, Rifle v2 Full 300mW & Cyber 445 1.2W all focusable w/Full Lens Kits

Coherent's Newest High Performance LabMax-TOP Laser Power/Energy Meter Accuracy 1.0%, Power Resolution 0.00001 Statistical Analysis: Min, Max, Mean, Range, Std Dev, Energy Dose, & Stability; Trend Charting, Tuning, Beam Stability Analysis, Extra Large Positional Display (112mm x 78mm) and Data Logging to a USB Flash Drive Directly on the Meter or PC w/ LabView Software.

D4thing LPM (3W), Andover LPM-1, Optic kits, and Certified Safety Glasses for Green, Red & Blue Lasers.
Chargers: Pila IBC (Swiss Designed & Engineered) the Gold Standard (UL). Xtar SP2 & VP1, Soshine SC-S1max V3 EagleTac & KeepPower 18650 3400mAh AA/AAA La Crosse BC1000 Maha MH-C9000 Eneloops
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Top Laser Pointers by Power - 1 Watt+ Top Laser Pointers by Power - 500mW+ Top Laser Pointers by Power - 250mW+
Laser Pointer Database High Power Laser Pointers Laser Pointer Diodes






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