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OfflinetrendalM
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Pictures I made with my laser - NEW PICS
    #4350313 - 06/29/05 01:35 PM (12 years, 3 months ago)

Well I've managed only to play with my laser since I've gotten it. Nothing really "productive" to show for it, except these photos I took, which I will post now because I'm at work and incredibly bored :smirk:

This was made by shining the beam through the beveled edge of a triangular prism. The light and dark spots are what is called "laser speckle" and are created by the individual rays of coherent light interfering with eachother (with "normal" light, the different wavelengths cancel out so this "specle" is not seen).


These pics were all made with a lightbulb. The beam was aimed through the very base of the bulb, where there is no frosting on the glass, and made to refract/reflect off of the glass support pillar that holds up the filament.


This last one is just a simple head-on shot of the beam itself. I like it because, for unknown reasons, it created a "halo" effect around the beam in the center (look closely and you can see a lot of concentric red circles in the image).


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Edited by trendal (06/30/05 07:56 AM)


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Offlinebarfightlard
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Re: Pictures I made with my laser [Re: trendal]
    #4350321 - 06/29/05 01:36 PM (12 years, 3 months ago)

very cool. the 4th picture looks like it has a pen0r in it.


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InvisibleOneMoreRobot3021
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Re: Pictures I made with my laser [Re: trendal]
    #4350322 - 06/29/05 01:36 PM (12 years, 3 months ago)

:grin: The lightbulb ones are teh trippy.


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Acid doesn't give you truths; it builds machines that push the envelope of perception. Whatever revelations came to me then have dissolved like skywriting. All I really know is that those few years saddled me with a faith in the redemptive potential of the imagination which, however flat, stale and unprofitable the world seems to me now, I cannot for the life of me shake.

-Erik Davis


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Invisiblethegatewaydrug
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Re: Pictures I made with my laser [Re: trendal]
    #4350324 - 06/29/05 01:36 PM (12 years, 3 months ago)

trippy i just wish i could be shroomin looking at these:mushroom2:


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OfflineBloodNOil
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Re: Pictures I made with my laser [Re: OneMoreRobot3021]
    #4350335 - 06/29/05 01:37 PM (12 years, 3 months ago)

oOoO! You can get different colored LASERs and do the trick where
you leave the shutter open in the dark and shine colored light at things!


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InvisiblePaulAtreides
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Re: Pictures I made with my laser [Re: barfightlard]
    #4350344 - 06/29/05 01:39 PM (12 years, 3 months ago)

Quote:

bellylard said:
very cool.  the 4th picture looks like it has a pen0r in it.



Thats Trendolltm`s `weenier...Id recognise that dick anywhere :smile:


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InvisibleTrav
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Re: Pictures I made with my laser [Re: trendal]
    #4350346 - 06/29/05 01:39 PM (12 years, 3 months ago)

Very cool!  :thumbup:


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OfflinetrendalM
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Re: Pictures I made with my laser [Re: OneMoreRobot3021]
    #4350364 - 06/29/05 01:43 PM (12 years, 3 months ago)

Yeah man the lightbulb pics turned out WAY cool!

I stumbled upon that effect after smoking a couple bowls last night :grin:


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OfflineDigs
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Re: Pictures I made with my laser [Re: trendal]
    #4350451 - 06/29/05 02:08 PM (12 years, 3 months ago)

Awesome pics brother :laugh:


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InvisibleNoetical
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Re: Pictures I made with my laser [Re: trendal]
    #4350487 - 06/29/05 02:20 PM (12 years, 3 months ago)

The lightbulb is tight tren. What kind of "productive" uses do you have for your futuristic killing device ?


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Offlinejsb
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Re: Pictures I made with my laser [Re: trendal]
    #4350504 - 06/29/05 02:24 PM (12 years, 3 months ago)

very cool pics. what does one of those things run, cost-wise?


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OfflineAnnomM
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Re: Pictures I made with my laser [Re: trendal]
    #4350558 - 06/29/05 02:40 PM (12 years, 3 months ago)

Cool pics!

What kind of laser is it and what power?


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OfflinetrendalM
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Re: Pictures I made with my laser [Re: Noetical]
    #4350636 - 06/29/05 03:00 PM (12 years, 3 months ago)

What kind of "productive" uses do you have for your futuristic killing device ?

None yet, though I have some tentative plans to build a laser light-show machine for my bedroon :smirk:


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OfflinetrendalM
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Re: Pictures I made with my laser [Re: jsb]
    #4350640 - 06/29/05 03:01 PM (12 years, 3 months ago)

I got the laser off Ebay, for about $20 :wink:


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OfflinetrendalM
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Re: Pictures I made with my laser [Re: Annom]
    #4350649 - 06/29/05 03:03 PM (12 years, 3 months ago)

Quote:

Annom said:
Cool pics!

What kind of laser is it and what power?




It's a HeNe gas laser, rated at 1mW.



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Invisibleblink
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Re: Pictures I made with my laser *DELETED* [Re: trendal]
    #4350655 - 06/29/05 03:05 PM (12 years, 3 months ago)

Post deleted by blinkidiot

Reason for deletion: Im sorry



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OfflinetrendalM
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Re: Pictures I made with my laser [Re: blink]
    #4350674 - 06/29/05 03:11 PM (12 years, 3 months ago)

try shooting it into a diamond

Dude that's an awesome idea!!!!!! :yesnod:

Now I know what I'm doing when I get home tonight :grin:


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OfflineAnnomM
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Re: Pictures I made with my laser [Re: trendal]
    #4350728 - 06/29/05 03:25 PM (12 years, 3 months ago)

Quote:

trendal said:
Quote:

Annom said:
Cool pics!

What kind of laser is it and what power?




It's a HeNe gas laser, rated at 1mW.






Not bad, not bad :cool: That sure is a fucking great laser for $20!

I would not think twice if I could buy that laser for $20. I want one :smile:

You should create an interference pattern with that laser... Weird physics in your own room. I don't know where you can buy something with very very thin openings/slits though.


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OfflinetrendalM
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Re: Pictures I made with my laser [Re: Annom]
    #4350744 - 06/29/05 03:30 PM (12 years, 3 months ago)

The guy I got it from off Ebay still has a few hundred of these tubes laying around. It's definitely a steal, for a fully-functional HeNe tube including power supply!

http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&category=4660&item=7525358537&rd=1

$16.49 USD + $5.25 shipping


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OfflinetrendalM
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Re: Pictures I made with my laser [Re: Annom]
    #4350761 - 06/29/05 03:35 PM (12 years, 3 months ago)

Quote:

Annom said:
You should create an interference pattern with that laser... Weird physics in your own room. I don't know where you can buy something with very very thin openings/slits though.




Actually I did this the other day!

I took a glass microscope slide and coated it with a layer of carbon black from a burning candle. Then I taped two SHARP razor blades together and VERY carefully cut a line (which is really two very thin and close-spaced lines) using the razors across the blackened part of the slide.

It worked pretty well and showed a strong interference pattern, but I ruined it fairly quickly by dropping the slide which rubbed off the carbon.


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