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RTS-3ZC Integrating Sphere Accessory
Apr 2006
ASD Inc.Request Info
For FieldSpec Spectroradiometers
BOULDER, Colo., April 4, 2006 -- Analytical Spectral Devices Inc. (ASD), a maker of field-portable spectroradiometers, has released an RTS-3ZC integrating sphere accessory designed for use with its FieldSpec spectroradiometers for reflectance or transmittance measurement of diffuse or scattering materials. Applications include optical remote sensing, oceanography, forestry and plant physiology.

Radiation balance and plant canopy modeling studies often require measurement of hemispherical reflectance and transmittance values of real-world samples. The integrating sphere is ideally suited for these measurements because it collects all of the radiation reflected from, or transmitted through, a sample, ASD said.

With an external integrating sphere (sample is external to the sphere), the sphere collects reflected light from a sample, or light transmitted through a sample, and spreads the energy over the entire surface area of the sphere in a very even distribution, the company said. A detector then responds to a portion of the sphere wall energy to derive a meaningful value about the average hemispherical reflectance of the sample.

For more information, visit:; e-mail:

Analytical Spectral Devices
5335 Sterling Dr.
Suite A
Boulder, CO 80301
Phone: (303) 444-6522
Fax: (303) 444-6825


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