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Tasse
Elite Laser

Joined: 25 Dec 2006
Posts: 149
Location: Sweden

Posted: 1/04/07, 5:25 PM Post subject: Purple Las

It would be really cool to have a purple laser! I guess the price is like 1,200,149 USD, but do you have any information about them? _________________ 30 mW CNI Greenie! Smokes Leather, Pop balloons, Melt black plastic, Cut Black Electrical Tape, etc etc...

Kingzilla
Wicked Lasers Master

Joined: 02 May 2006
Posts: 844
Location: Ottawa Canada

Posted: 1/04/07, 5:29 PM Post subject:

Hmmm, the sonar is purple...... ..not sure about the "1,200,149 USD". _________________

Ragnarok
Fusion Laser

Joined: 12 Nov 2006
Posts: 481
Picture(s): 6
Location: Hell, aka Bakersfield, California

Posted: 1/04/07, 7:53 PM Post subject:

Technical nit-picking : Purple is a non-spectral color made by combining red light with blue or violet light. Violet is the proper term to use when describing single-wavelength lasers near 400nm, such as the Sonar. A purple laser WOULD be a very cool thing - because you could split the beam with a prism into red and blue/violet! _________________ \"Man, that thing is WAY too bright!!\" \"Yeah...and your point is...?\"

Vic
Wicked Lasers God

Joined: 30 Oct 2006
Posts: 2006
Picture(s): 66
Movie(s): 3
Location: United States, CA, Los Angeles

Posted: 1/05/07, 9:35 AM Post subject:

The sonar is $2000, how'd you get $1200? _________________ WL Fusion 125mW All-Black W/Clip 1.0252621079 mRad Match Burn: 3-4 seconds @ 1ft. Paper Burn: 1-2 seconds to make a hole @ 2 ft Electric Tape Cut: 5 seconds to cut, burns hole instantly. Balloon Pop: Don\''\''t have any balloons ): Smoke anything Soft&Black: Instantly! Sting your Skin: Instantly! Visit: http://www.youtube.com/uwrotciv to experience the power of a Fusion before you buy a laser!!!! My Homemade Collimator: http://www.lasercommunity.com/lc_view_project.php?aid=16 http://www.instructables.com/id/Home-Made-Collimator/

Tasse
Elite Laser

Joined: 25 Dec 2006
Posts: 149
Location: Sweden

Posted: 1/05/07, 4:49 PM Post subject:

I thought the sonar was blue? I meant a really dark purple laser... _________________ 30 mW CNI Greenie! Smokes Leather, Pop balloons, Melt black plastic, Cut Black Electrical Tape, etc etc...

RoadRunner
Wicked Lasers God

Joined: 05 Nov 2006
Posts: 2958
Picture(s): 1
Location: Scotland

Posted: 1/05/07, 6:13 PM Post subject:

Tasse wrote:

I thought the sonar was blue? I meant a really dark purple laser...

The sonar is violet. So violet that it's almost UV.
The 'blue' bit comes in from the fact that the laser-diodes are from Blu-Ray players.... But.... Blue they're not. They're beyond blue...

The RoadRunner..
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Rasel
Wicked Lasers God
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Joined: 05 Jan 2007
Posts: 1177
Location: Oregon, United States

Posted: 1/06/07, 2:24 AM Post subject:

Yea it is very close to UV, being around 400nm: It 400nm area looks almost black in this image though... I would love to see pictures, especially ones like the cool prism work that RR does. _________________ Pseudos Divergence & Beam Diameter Calculator Sams Laser F.A.Q. Different types of lasers (wikipedia) Transverse Electromagnetic Modes (TEM) (wikipedia) General Lasers (wikipedia)

thecheat
Wicked Lasers God

Joined: 13 Jan 2006
Posts: 3306
Picture(s): 213
Movie(s): 12

Posted: 1/06/07, 10:15 AM Post subject:

here's a better chart... As you see, the sonar wouldn't be too visible... though I do think it would be more visible than that! _________________ I'm building a JET ENGINE! check my site HERE!

Steve0000
Wicked Lasers Master

Joined: 27 Aug 2005
Posts: 573

Posted: 1/08/07, 9:25 AM Post subject:

The first spectrogram is an accurate representation of the visible spectrum, sunlight through a prism looks exactly the same. A laser outputting violet light would be very dim indeed.

Vic
Wicked Lasers God

Joined: 30 Oct 2006
Posts: 2006
Picture(s): 66
Movie(s): 3
Location: United States, CA, Los Angeles

Posted: 1/10/07, 1:51 AM Post subject:

So what color is 555nm? Half Green and Half Yellow? Nice chart, I've been trying to look for one like this. _________________ WL Fusion 125mW All-Black W/Clip 1.0252621079 mRad Match Burn: 3-4 seconds @ 1ft. Paper Burn: 1-2 seconds to make a hole @ 2 ft Electric Tape Cut: 5 seconds to cut, burns hole instantly. Balloon Pop: Don\''\''t have any balloons ): Smoke anything Soft&Black: Instantly! Sting your Skin: Instantly! Visit: http://www.youtube.com/uwrotciv to experience the power of a Fusion before you buy a laser!!!! My Homemade Collimator: http://www.lasercommunity.com/lc_view_project.php?aid=16 http://www.instructables.com/id/Home-Made-Collimator/

BoomDog
Wicked Lasers God

Joined: 14 Dec 2005
Posts: 1704
Picture(s): 31
Movie(s): 1
Location: OH, USA

Posted: 1/10/07, 3:26 AM Post subject:

Vic wrote:

So what color is 555nm? Half Green and Half Yellow?

Pretty much. One would probably call it lime. Remember when they started changing US red firetrucks to lime green fire-trucks? All about visibility.

leukoplast
Wicked Lasers God

Joined: 05 Dec 2006
Posts: 2272
Picture(s): 12
Location: California

Posted: 1/10/07, 4:00 PM Post subject:

It would be cool to have a purple one..but the violet laser is even less visible than the reds. So it would take a heck of a lot of power to make it nice and bright. _________________ 125mW Fusion - Divergence- 1.0 mRad \| TEM00-TEM01* Doughnut mode \| 119mW peak, 103 Nominal 55mW CNI - Laserchecked at 65mw peak, 55mw nominal \| Divg -2.18 mRad \|MIA! Lost!! FOUND! 15mW Evolution - 100mW Peak, 85mW Nominal(Holds +/- 5% over 2min) \| Divg 1.0mRad Has semi-adjustable power setting by tweaking battery cap: <5mW - Peak power. Chromed P125 Pulsar - 152mW peak, 135mW nominal: - Divg - Rechecked, and refocused. Now at 0.05mRad...Yes, 0.05!! 5.08mm at 73 feet: 4mm at app 400 Watt Fogger - Great fogger! Pumps out a lot! Fills room easily. Listen to one of my songs - \|Space Continuum.mp3\| \|Site\| \|Liquefied Light.mp3\|

afroman794
4.99mW Green Laser Toy

Joined: 22 Dec 2006
Posts: 4
Location: va

Posted: 1/10/07, 9:05 PM Post subject:

so would a blu ray laser made from chopping a player be visible (as violet) or is it so close to the invisible spectrum that u cudnt see it?

Ragnarok
Fusion Laser

Joined: 12 Nov 2006
Posts: 481
Picture(s): 6
Location: Hell, aka Bakersfield, California

Posted: 1/10/07, 9:24 PM Post subject:

It would resemble the color of a blacklight LED, and would have low apparent brightness considering the power level. _________________ \"Man, that thing is WAY too bright!!\" \"Yeah...and your point is...?\"

Steve0000
Wicked Lasers Master

Joined: 27 Aug 2005
Posts: 573

Posted: 1/10/07, 11:41 PM Post subject:

afroman794 wrote:

so would a blu ray laser made from chopping a player be visible (as violet) or is it so close to the invisible spectrum that u cudnt see it?

You have this nice spectrogram within this thread and you still have to ask this question. Go take a look at it, it will answer your question.

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