Welcome to Laser Pointer Forums! If you are looking for a laser you may want to check out the Laser Company Top Sites List. The link will open in a new window for your convenience.

Colorful 2018, Colorful Laser Power Meter
 Laser Pointers Merry Christmas, Happy Hanukkah LPF

LPF Laser Pointer Company Database (link opens new window)

12-22-2016, 02:40 PM #17
 Super Moderator Join Date: Jan 2014 Location: Qatar, land of the hot footed. Posts: 9,579 Rep Power: 1781829
Super Moderator

Join Date: Jan 2014
Location: Qatar, land of the hot footed.
Posts: 9,579
Rep Power: 1781829
Re: Merry Christmas, Happy Hanukkah LPF

Miss you Pi, happy holidays everyone.

__________________

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

12-22-2016, 02:57 PM #18
 Class 4 Laser Join Date: Feb 2008 Location: Yellowknife, NT, Canada Posts: 9,132 Rep Power: 1290670
diachi
Class 4 Laser

Join Date: Feb 2008
Posts: 9,132
Rep Power: 1290670
Re: Merry Christmas, Happy Hanukkah LPF

Merry Christmas everyone!
__________________

355nm | Bruker SmartBeam | Q-Switched Nd:YAG | Awaiting Arrival
405nm | Banggood LT-850 | 50mW Metered | Review Unit | >>Review<<
445nm | Sanwu Laser Pocket Series | 400mW Metered
445nm | NDB7242E Pen Build | 60mW Metered | >>Build Thread<<
450nm | LaserPointerStore - Thor H2 | 1.6W Metered | Review Unit | >>Review<<
473nm | B&W Tek BWB-10-OEM |
488nm | Spectra Physics 163 Argon | ~30mW Metered |
495nm | Laser66 Pen Build | WIP
515nm | PL515 Pen Build | 50mW | >>Build Thread<<
520nm | Laserlands 520 5mW | 3mW Metered | Review Unit | >>Review<<
532nm | Gearbest 303 Pointer | 50mW Metered
532nm | Gearbest JD-850 Pointer | 30mW Metered |
633nm | HeNe | 6mW
633nm | Spectra Physics 155 HeNe | <1mW >>Thread<<
650nm | Sanwu Laser Pocket Series | 200mW Metered
808nm | Melles Griot 532nm Lab Unit | No Crystals >10W

B&W Tek Spectrometer
LaserBee 2.5W USB LPM

12-22-2016, 05:19 PM #19
 Class 4 Laser Join Date: Jul 2015 Location: Suburbs of Atlanta Georgia Posts: 5,564 Rep Power: 1665249
RedCowboy
Class 4 Laser

Join Date: Jul 2015
Location: Suburbs of Atlanta Georgia
Posts: 5,564
Rep Power: 1665249
Re: Merry Christmas, Happy Hanukkah LPF

Merry Christmas and Happy New Year everyone, may 2017 be a Great year for us all.
__________________
You can not put freedom in a bag.
It is in fact an abstract concept.
Yet it is the single most valuable thing anyone has ever had.

12-22-2016, 06:20 PM #20
 Class 3B Laser Join Date: Jun 2015 Location: Brentwood, England (Near London) Posts: 4,599 Rep Power: 1788824
CurtisOliver
Class 3B Laser

Join Date: Jun 2015
Location: Brentwood, England (Near London)
Posts: 4,599
Rep Power: 1788824
Re: Merry Christmas, Happy Hanukkah LPF

I won't be on much until the new year.
So I'd like to wish everyone here a Merry Christmas and a Happy New Year! May you have many diodes in your stockings, a laser cooked turkey feast, and argon heated living rooms this Christmas.
__________________
Notable products/sites:

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.
Jetlasers PLE Pro's

Dragon Lasers offers the best option for 589nm (Yellow) Laser pointers.
Dragon Lasers Yellow Laser Pointers

Sanwu are known to be very high quality and every newcomer should check them out.
Sanwu Home

Bang good is a good source for many electrical items and are often cheap and reliable.
Bang Good Home

For reliable safety goggles visit Survival Laser. Use LPF445 for a 10% member discount.
Eagle Pair Safety Goggles

Which company should I buy from? By Sta

Use this link if you want the chance of winning free bitcoin.
Every hour you can roll for some free satoshi which you can then spend on lottery tickets.
Lotteries are weekly and often see >1 BTC prize totals worth around \$10,000.
It doesn't cost you anything and you could end up winning big, meaning you could have more money for lasers.

Free Bitcoin Lottery

Wavelength to RGB Converter

12-23-2016, 01:20 AM #21
 Class 4 Laser Join Date: Aug 2007 Location: Netherlands Posts: 7,646 Rep Power: 296354
Benm
Class 4 Laser

Join Date: Aug 2007
Location: Netherlands
Posts: 7,646
Rep Power: 296354
Re: Merry Christmas, Happy Hanukkah LPF

Merry Xmas to you all!

And enjoy my 100 mW xmas tree - the plastic inflatable tree is a bit of a running gag around here.

Imgur: The most awesome images on the Internet

 Thread Tools Display Modes Linear Mode

 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 OffTrackbacks are On Pingbacks are On Refbacks are On Forum Rules

All times are GMT. The time now is 03:49 PM.

 -- DarkShadows V5 -- Responsive LPF -2562016 -- Default Style Contact Us - Laser Pointers - Archive - Top