Xref: utzoo sci.research:1468 sci.electronics:15855 sci.physics:15703 sci.environment:8753
Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!elroy.jpl.nasa.gov!ames!uhccux!bigtuna!pegasus!richard
From: richard@pegasus.com (Richard Foulk)
Newsgroups: sci.research,sci.electronics,sci.physics,sci.environment
Subject: Re: Infrared detection of wildlife
Keywords: infrared,detection,research,elephant
Message-ID: <1990Nov28.092643.26666@pegasus.com>
Date: 28 Nov 90 09:26:43 GMT
References: <2492@cod.NOSC.MIL> <1990Nov27.133123.5370@mlb.semi.harris.com>
Organization: Pegasus,  Honolulu
Lines: 13

> Some CCTV cameras may have enough sensitivity in the IR band to be useful
>with some modifications. If you can get a CCD camera and put a thermoelectric
>cooler on the back of the CCD you can push the thermal noise down. Then with an
>IR filter you have a cheapie mid-IR vision system (you will still probably want
>an IR illuminator for optional use).

Most current video cameras are highly IR-sensitive.  So much so, that
they come with an IR filter behind the lens to reduce their IR sensitivity.



-- 
Richard Foulk		richard@pegasus.com