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viewing infrared and ultraviolet

viewing infrared and ultraviolet - Physics Forum

viewing infrared and ultraviolet - Physics Forum. Discuss and ask physics questions, kinematics and other physics problems.


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  #1  
Old 02-24-2007, 05:20 PM
Chuck Dubois
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Default viewing infrared and ultraviolet



Is there a quick-n-dirty method for observing the infrared and ultraviolet
spectrum besides using CCD's? I was thinking something like a coating
that could be applied to glasses or perhaps .....?






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  #2  
Old 02-24-2007, 05:48 PM
N:dlzc D:aol T:com \(dlzc\)
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Default viewing infrared and ultraviolet

Dear Chuck Dubois:

"Chuck Dubois" <[Only registered users see links. ]> wrote in message
news:[Only registered users see links. ]...

For UV, you could have your corneas removed. In WWII, UV lamps
were used to signal from ship-to-shore, using the elderly that
had cataracts removed this way.

For IR, you could use one of those point-and-shoot thermometers.
But you are going to need something to boost the signal up to
visual wavelengths, so direct imaging is unlikely.

David A. Smith


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  #3  
Old 02-24-2007, 05:48 PM
N:dlzc D:aol T:com \(dlzc\)
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Default viewing infrared and ultraviolet

Dear Chuck Dubois:

"Chuck Dubois" <[Only registered users see links. ]> wrote in message
news:[Only registered users see links. ]...

For UV, you could have your corneas removed. In WWII, UV lamps
were used to signal from ship-to-shore, using the elderly that
had cataracts removed this way.

For IR, you could use one of those point-and-shoot thermometers.
But you are going to need something to boost the signal up to
visual wavelengths, so direct imaging is unlikely.

David A. Smith


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  #4  
Old 02-24-2007, 08:41 PM
GeekBoy
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Default viewing infrared and ultraviolet


"N:dlzc D:aol T:com (dlzc)" <dlzc@aol.com> wrote in message
newsT_Dh.26836$pe4.9451@newsfe06.phx...

Didn't Riddick have that done? ;-)


I know there are heat sensors sold for hunters to help track/find animals.
They are like the point-and-shoot thermeters, just a lot more sensitive.




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  #5  
Old 02-24-2007, 08:41 PM
GeekBoy
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Default viewing infrared and ultraviolet


"N:dlzc D:aol T:com (dlzc)" <dlzc@aol.com> wrote in message
newsT_Dh.26836$pe4.9451@newsfe06.phx...

Didn't Riddick have that done? ;-)


I know there are heat sensors sold for hunters to help track/find animals.
They are like the point-and-shoot thermeters, just a lot more sensitive.




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  #6  
Old 02-24-2007, 08:44 PM
GeekBoy
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Default viewing infrared and ultraviolet


"N:dlzc D:aol T:com (dlzc)" <dlzc@aol.com> wrote in message
newsT_Dh.26836$pe4.9451@newsfe06.phx...


Actually I found a paper on some glass fibers that allows direct viewing of
UV .


[Only registered users see links. ]



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  #7  
Old 02-24-2007, 08:44 PM
GeekBoy
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Default viewing infrared and ultraviolet


"N:dlzc D:aol T:com (dlzc)" <dlzc@aol.com> wrote in message
newsT_Dh.26836$pe4.9451@newsfe06.phx...


Actually I found a paper on some glass fibers that allows direct viewing of
UV .


[Only registered users see links. ]



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  #8  
Old 02-24-2007, 09:10 PM
N:dlzc D:aol T:com \(dlzc\)
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Default viewing infrared and ultraviolet

Dear GeekBoy:

"GeekBoy" <[Only registered users see links. ]> wrote in message
news:45e0a2ef$0$1366$[Only registered users see links. ]...

Close. But he was able to (apparently) see IR.


CCD-based. Even night-vision goggles will not meet the
requirement.

David A. Smith


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  #9  
Old 02-24-2007, 09:10 PM
N:dlzc D:aol T:com \(dlzc\)
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Posts: n/a
Default viewing infrared and ultraviolet

Dear GeekBoy:

"GeekBoy" <[Only registered users see links. ]> wrote in message
news:45e0a2ef$0$1366$[Only registered users see links. ]...

Close. But he was able to (apparently) see IR.


CCD-based. Even night-vision goggles will not meet the
requirement.

David A. Smith


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  #10  
Old 02-24-2007, 10:19 PM
GeekBoy
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Posts: n/a
Default viewing infrared and ultraviolet


"N:dlzc D:aol T:com (dlzc)" <[Only registered users see links. ]> wrote in message
news:2R1Eh.45700$[Only registered users see links. ]...

Actually they use lithium tantalum pyroelectric sensor

Night vision goggles can see IR. Military issued night vision goggles have a
IR lamp built in that can be turned on for complete darkness that makes it
into visible light for the wearer.




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