Page 532 - Instrumentation Reference Book 3E

References 515

10-1 1 10 100
Wavelength (pm)
Figure 211.27 Log scale pwsentation of Planck‘s law.

response sufficiently good in both speed and reso- 21.9 References
lution for a television-type presentation. The
detector most widely used is the “pyroelectric American National Standards Institute, Standards for
vidicon” tube, in which the infrared image is the Safe Use of Lasers
formed on a piezoelectric target (producing a Beynon, J. D. E., Charge Coupled Devices and their
charge pattern thereon by the pyroelcctric effect) Appficatioiis, McGraw-Hill, New York (1979)
which can be read with the co~ive~~i~ti~l BS 4727, Glossary of Terms Particular to Light am?
electron
Color (1970)
The camera resembles a con-
sca~niii~ ~~hni~ue. RS 4803, Guide on Frvtectio?? qf ~e~‘so~?~e~
aguinsr
ventional te~e~si~n camera except that the lenses ~a~ur~~ro~ ~adiu~~i)~?
(1981)
Laser
have to ~~s~~ in the ap~rop~ate w~veb~d Brown, S. and A. W. S. Tarrant, A $ens
a
ge~~ium rad~o~~~e~ Boxcar Detector, Association
is isuaUy used.
wising
A variety of line and matrix scanning tech- International de la CouIeur j1981)
niques have been developed (see Lawsnn, 19791, Chamberlin, 6. J. and D. C. Chaniheriin. Color: ifs
and with the development of charge-coupled A~easzi~e~ne~z~. Conzpitatiotz and Application: Heyden,
London {1979)
devices it is to be expected that effective detectors Commission Internationale de I’Eclaiuage, The
embodying this technique will become available in Spectrorudiometric Measuremeizt of Light Sources,
commercial equipment. CIE Pub. No. 63 (1984)
Systems of this type clearly have great possibil- Dudley, W. W. Carbon Dioxide Lasers, Kflects nnd
ities beyond the fields of research (since the Applicntions, Academic Press, London (1976)
wavelengths used are so long they can, for exain- Dresler, A. and H. S. Friihling, “Uber ein Photoelek-
ple, be used by firefighters to rescue people from trische Dreifarben Messgerat,” Da,s Licht, 11, 238
smoke-filled buildings), and the greatest drawback (1938)
to their use is their cost. Their resolution is not Forsythe. W. E., The illeasuretnent of Radiant E~vgy,
McGraw-Hill, New York (1941)
good by normal optical standards but in most Frv. P. W.. “Silicon photodiode arrays,” J. Sei. Inst., 8,
applications this is of little iniportance; their great 337 (1975)
value ties in revealing small temperature differ- Geutler. G.. Die Farbe. 23. 191 (19741
,,
ences between different itenis. Heavens, 0. S., Lasers; D&kworth, iondon (1971j