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Rasel
Wicked Lasers God
<Avatar not found>
Joined: 05 Jan 2007
Posts: 1177
Location: Oregon, United States
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 Posted: 1/11/07, 11:24 PM Post subject: |
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Quote from someone: "Wow. I want to see a black or brown laser!!" 
Then they normally question why this pen-sized laser can't go through the wall... |
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Vic
Wicked Lasers God
Joined: 30 Oct 2006
Posts: 2006
Picture(s): 66
Movie(s): 3
Location: United States, CA, Los Angeles
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Chief-Eamonn
Wicked Lasers God
Joined: 08 Jan 2007
Posts: 1734
Picture(s): 41
Movie(s): 15
Location: Western Australia
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| Posted: 1/14/07, 12:43 AM Post subject: |
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| If you had a diode that gave of more than one wavelengh like 650nm and 473nm then youd get purple and by combining many colours could be possible! |
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afroman794
4.99mW Green Laser Toy
Joined: 22 Dec 2006
Posts: 4
Location: va
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| Posted: 1/14/07, 11:56 PM Post subject: |
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| Ragnarok wrote: |
| It would resemble the color of a blacklight LED, and would have low apparent brightness considering the power level. |
thank you for being helpful,
and i did look at the graph but monitors/pictures differ and wanted something that i had seen w/ my two eyes to compare it against |
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Ragnarok
Fusion Laser
Joined: 12 Nov 2006
Posts: 481
Picture(s): 6
Location: Hell, aka Bakersfield, California
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| Posted: 1/15/07, 12:26 AM Post subject: |
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LEDs are a fairly good color reference. Monitors, on the other hand do a terrible job of rendering pure colors, but the human visual system is so forgiving and adaptive, you really have no idea how bad it is until you put that spectrum up on the monitor and then shine your laser(s) on it (being careful of reflections, of course!)
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\"Man, that thing is WAY too bright!!\" \"Yeah...and your point is...?\" |
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thecheat
Wicked Lasers God
Joined: 13 Jan 2006
Posts: 3306
Picture(s): 213
Movie(s): 12
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| Posted: 1/15/07, 10:16 AM Post subject: |
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Well.. I wouldn't say LED's are THAT good a reference... try this, if there is a green LED on your compy, shine your laser next to it. It'll turn a bland yellow.
But anyways, the purple laser WOULD be fun, bunches of things would show some interesting florescence!
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I'm building a JET ENGINE! check my site HERE! |
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javan77
Fusion Laser
Joined: 24 Oct 2006
Posts: 314
Picture(s): 329
Movie(s): 96
Location: Finland
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| Posted: 1/19/07, 5:56 AM Post subject: |
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| thecheat wrote: |
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 compare sensitive of lasers. It seems that blue laser isnīt so bright to eye than red laser. Has aanyone pictures of comparing 15mW blue and 15mW red |
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pseudonomen137
Wicked Lasers God
Joined: 17 Mar 2006
Posts: 3680
Picture(s): 1
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| Posted: 1/19/07, 6:30 AM Post subject: |
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| Blue is definitely much more visible than red, if you're comparing 473nm to 650 or 660nm. The 473 and 488nm blues I have can actually compete with 532nm a bit, whereas the reds are completely beamless without a good amount of fog. Scotopic vision might play into this a little bit, though I'm not sure on that. |
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javan77
Fusion Laser
Joined: 24 Oct 2006
Posts: 314
Picture(s): 329
Movie(s): 96
Location: Finland
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| Posted: 1/22/07, 12:43 AM Post subject: |
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| Thatīs make whole thing so intresting. Sensitive is allmost same, mut still the beam of the blue laser is visible. Thanks pseudonomen137 for answer I wanted to read about. |
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paintbllr52
Nexus Laser
Joined: 15 Jan 2007
Posts: 99
Picture(s): 3
Location: southeast US
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| Posted: 1/22/07, 6:39 AM Post subject: |
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i wish you could find a way to the Spyder series adaptable for different colors.... haha i know that would be hard, but imagine having one spyder that can go from red to green, to yellow, to blue... maybe some violet..............
"Indroducing the Spyder IIIa......" |
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javan77
Fusion Laser
Joined: 24 Oct 2006
Posts: 314
Picture(s): 329
Movie(s): 96
Location: Finland
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| Posted: 1/22/07, 7:21 AM Post subject: |
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| paintbllr52 wrote: |
i wish you could find a way to the Spyder series adaptable for different colors.... haha i know that would be hard, but imagine having one spyder that can go from red to green, to yellow, to blue... maybe some violet..............
"Indroducing the Spyder IIIa......" |
And all together... white laser  |
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Steve0000
Wicked Lasers Master
Joined: 27 Aug 2005
Posts: 573
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| Posted: 1/22/07, 11:07 AM Post subject: |
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| paintbllr52 wrote: |
i wish you could find a way to the Spyder series adaptable for different colors.... haha i know that would be hard, but imagine having one spyder that can go from red to green, to yellow, to blue... maybe some violet..............
"Indroducing the Spyder IIIa......" |
Here ya go
http://moebius.physik.tu-berlin.de/lasergrp/srs/ |
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josyd
4.99mW Green Laser Toy
Joined: 11 Sep 2006
Posts: 3
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| Posted: 8/09/07, 9:42 PM Post subject: |
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| a truly purple laser would be awesome |
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Daedal
25mW Classic Wicked Laser
Joined: 10 Aug 2007
Posts: 46
Picture(s): 30
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| Posted: 8/11/07, 2:11 AM Post subject: |
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The simple answer: the SONAR is a purple laser!
It is very much near UV that it reacts to light much like blacklight would. So if you put it on a while wall/paper/shirt/etc... it would glow blue, on a fluorescent pen it would glow like a blacklight would, and it would make glow in the dark things glow infront of you. Although, it is VERY important to note that the beam through smoke, fog, or anything is purple! I have pictures up and they seem half purplish and half blue. That is simply because a non-DSLR camera doesn't have that great of a capturing ability to make bluray really look real!
BluRay is purple, not blue... far from it.
--DDL |
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fuzion
Fusion Laser
Joined: 17 Nov 2006
Posts: 448
Picture(s): 61
Movie(s): 4
Location: uk, bristol
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| Posted: 8/11/07, 7:43 AM Post subject: |
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| Daedal wrote: |
The simple answer: the SONAR is a purple laser!
It is very much near UV that it reacts to light much like blacklight would. So if you put it on a while wall/paper/shirt/etc... it would glow blue, on a fluorescent pen it would glow like a blacklight would, and it would make glow in the dark things glow infront of you. Although, it is VERY important to note that the beam through smoke, fog, or anything is purple! I have pictures up and they seem half purplish and half blue. That is simply because a non-DSLR camera doesn't have that great of a capturing ability to make bluray really look real!
BluRay is purple, not blue... far from it.
--DDL |
Actually the sonar is not BLUE or PURPLE its VIOLET as has been explaind loads of times on LC and has been metiond in this thread too by RR.
and on a white wall it looks Violet not blue. and yes its very very hard to get pics of the sonar beam tht are like real life and how the eyes see it.
but it is definitly violet.
Fuzion
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