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Ten years after publication of ""Infrared Optics and Zoom Lenses"", this text is still the only current publication devoted exclusively to infrared zoom lenses. This updated second edition includes 18 new refractive and reflective infrared zoom systems, bringing the total number of infrared zoom optical systems to 41 systems. Other additions include a section for focal plane arrays and a new closing chapter specifically devoted to applications of infrared zoom lenses. The wavelength region has been expanded to include the near infrared. Additional topics include the importance of principal planes, athermalization by means of computer glass substitution, and global optimization of zoom lenses.

Infrared Optics and Zoom Lenses

Preface; 1. System Considerations; 1.1 Radiometry; 1.1.1 Blackbody radiation; 1.1.2 Planck's equation; 1.1.3 Stefan-Boltzmann law; 1.1.4 Wien displacement law; 1.2 Atmospheric Transmission; 1.2.1 Scattering; 1.2.2 Absorption; 1.2.3 Infrared windows; 1.2.4 Computer calculation; 1.3 Lens Transmission; 1.3.1 Transmittance; 1.3.2 Reflectance; 1.4 Coatings; 1.4.1 Single-layer coatings; 1.4.2 Multilayer coatings; 1.5 Infrared Detectors; 1.5.1 Basic relations; 1.5.2 Types; 1.5.3 Arrays; 1.5.4 Matching the detector with the optics; 1.6 References; 2. Optics Fundamentals; 2.1 Lens Equation; 2.2 Stops and Pupils; 2.3 Optical Formulas; 2.4 Optical Performance Criteria; 2.5 Telescopes; 2.6 Primary Aberrations; 2.6.1 Definition of the Seidel aberrations; 2.6.2 Variation of primary aberrations with aperture and field height; 2.6.3 Stop shift equations.