Access to eBooks is limited to institutions that have purchased or currently subscribe to the SPIE eBooks program. eBooks are not available via an individual subscription. SPIE books (print and digital) may be purchased individually on SPIE.Org.

Contact your librarian to recommend SPIE eBooks for your organization.
Chapter 12:
Thermal Imaging Lenses
Abstract
In the infrared (IR) region of the spectrum, there are two atmospheric wavelength bands, or “windows,” where the absorption due to atmospheric gases is low. One is from about 3 to 5 μm, the other from about 8 to 12 μm. An important difference between design in the visible and in the IR is that in the visible, objects are almost always detected by the light that they reflect; whereas in the IR region, objects are detected by the radiation that they emit.
Online access to SPIE eBooks is limited to subscribing institutions.
CHAPTER 12
21 PAGES


SHARE
Back to Top