DISCRETE
OPTICAL FILTER RADIOMETER
Discrete Optical Filter Radiometer
The discrete optical filter radiometer shown in
Figure 1, provides a 50 mm. diameter optical
aperture
and a 2° diameter field of view using a liquid
nitrogen dewar containing an Indium antimonide
(InSb)
cooled IR detector, providing high sensitivity
measurements of thermal targets in up to ten
wavelength regions.
The instrument can be configured to view "flash"
transient events, or an optical chopper can be
incorporated for slowly varying radiances. The
operation of the radiometer is completely computer
controlled, and the output data can be presented in
various formats using our proprietary software.
The data can be smoothed digitally for selected
output time responses to minimize noise, or high
frequency responses up to 50 KHz can be recorded
and displayed for the "flash" configuration.
Optical filters can be inserted under computer
control and recording at a rate of less than one
second insertion time.
The basic radiometer can be readily converted to
operate anywhere in the 0.3 µ m to 14 µ m region
with the incorporation of the appropriate IR
detector, and/or, optics." At extra cost, a closed
cycle
Stirling cooler can be incorporated to eliminate
the need for liquid nitrogen.
Alternatively, at a lower cost, a pyroelectric
detector can be used to cover the entire 0.3 µ m to
14 µ m region.
Call us or
email
us and we'll be glad to discuss your needs.
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