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I´m sure it´s also visible with your 520nm and 638nm! Except of the beginning, the wavelength shift it´s more like an fluent passage. So better taking a vid and as trencheel303 suggested moving back and forth for better noticing the shift.

It´s a bit more of a difference than I recongnize with my naked eye. Others might see more / less color changing. It´s fun with the diffracting grating! Tried in the past. Maybe I will add such a vid with same setup later on. I like the host a lot! IMO great laser, wavelength and host :)

It is the same laser model Cyparagon tested here His was 511nm, so I expect mine to be anywhere around this value at room temperature. I cooled it in the freezer for about 2 minutes and used a hairdryer to heat it up during the vid. The most interesting part is from minute 0:15 - 0:40 small...

Old 20mW 2K 405nm Wicked Laser turned into a +950mW machine with soft start by lazeerer

Most cheap goggles for reds are more than fine. Also got a cheap pair and I can´t even see a red dot from my 500mW through glasses. Only when shining on a white surface directly in front of me.

Eminem and Lil Jon are hard to beat here

Re: JDSU/Cyonics 4SL argon laser - COMPLETE system The first BST thread I´ve seen from you since I registered back in 2009. Nice deal for those living in the US getting the chance seeing 488nm in real life :cool:

Some vids about cams damaged by lasers here Beware! Lasers Can Kill Your Camera?s Sensor | Photofocus My tip is to remove lens cover after adjusting the laser on the tripod when taking pictures like this: 5mW of 532nm and 4mW of 635nm

I sent my $10 as a donation for helping getting more data according this diode. For science, not for the chance winning this diode. I understand the raffle as a nice bonus, not more. Some people here may think differently according their reaction. I don´t see this diode being partially mine in...

:shhh: We gonna find out soon :D

No I still miss a few :whistle:

Now try to get through with this

I also have the +/-515nm laser bdgreenb in his post #16 Took this pic the other day. Color is pretty much the same as I see with my naked eye

Laser injection

You don´t want to deal with an (accidental) Li-Ion batt explosion :D http://laserpointerforums.com/f48/libra-anser-aquarius-through-diffraction-grating-87243.html#post1268975

You´re welcome to do so :)

Very nice pictures as always Bruce :gj: You don´t need much for putting some more valuable facts to your review :) You´re good with these tools click click click Edit: A caliper rule and a black, absorbing surface would help a lot with getting even better values with divergence measurement.

Just took a hopefully funny vid for you guys

You should ask Shakenawake and/or Smeerworst to chime in here. They both own(ed) both lasers. The RPLs are very nice lasers. It´s the dream of many LPF members to own one one day. The downside ist that they are still very expensive. Opto hasn´t significantly changed their price for years. They...

For your field of work, in tropical forest, a laser pointer won´t help a lot. Guess you´re only there in daytimes? You won´t be able to see the laser, except in the night. If you´re looking for something in the night, there are more than enough suggestions / options on the forum.