Download Optical Design Fundamentals for Infrared Systems, Second by Max J. Riedl PDF

By Max J. Riedl

ISBN-10: 0819440515

ISBN-13: 9780819440518

During this moment variation, writer Max Riedl has increased and up to date the knowledge present in his well known 1995 educational to mirror adjustments in expertise and functions that experience happened long ago decade. Achromats are coated in additional element and the dialogue of beam expanders has been up to date. Ball lens, gradient optics, and 3 reflect configurations were additional to the bankruptcy on targeted Optical Surfaces and parts. a brand new part discusses wave aberrations, with a comparability of the round aberration to the Seidel coefficient. a brand new bankruptcy on thermal results examines the layout of athermats--lenses that atone for undesired effects because of temperature tours. a brand new bankruptcy covers diamond turning, that's in particular appropriate for generating aspheres and diffractive infrared elements.

Contents

- Preface
- historical Remarks
- Radiometric Considerations
- uncomplicated Optics
- fundamental Aberrations
- Wave Aberrations
- exact Optical Surfaces and Components
- layout Examples
- Thermal Effects
- Optical Coatings
- photo Evaluation
- Diamond Turning
- Appendix
- Index

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Extra resources for Optical Design Fundamentals for Infrared Systems, Second Edition

Example text

4 identifies two planes that are perpendicular to each other. The plane that contains the object point and the optical axis is called the meridional or tangential plane. The rays in this plane form the tangential fan. The plane perpendicular to the tangential plane, containing the object point, is the sagittal plane. On the image side there is a longitudinal separation between the tangential and sagittal images. The images of an object point are formed in two different planes. org/terms 40 OPTICAL DESIGN FUNDAMENTALS FOR INFRARED SYSTEMS of this, the sagittal and tangential images of the object point are lines.

Throughput has been called by many different names, optical extent, light gathering power, and area-solid-angle product. Etendue is the French term, and "geometrical light flux" is the translation of the German term Geometrischer Lichtstrom. 3,4 What is really important is the choice that is available with this invariance. One can calculate the throughput using information from the object side or from the image side. When the image is at infinity, as in the case of a collimator, dimensions referring to the entrance pupil and entrance window can be used because S is a finite quantity, while S' is infinite.

4 Specific detectivity and noise equivalent bandwidth One figure of merit used to describe the performance of a detector is the specific detectivity D* (D-star). It is the signal-to-noise ratio when I W is incident on a detector having a sensitive area of 1 cm 2 and the noise is measured with an electrical bandwidth of 1 Hz. This definition was introduced by Clark Jones in the 1950s. ' The denominator of the bracket being discussed here refers the electrical bandwidth of the system's amplifier used for the noise measurement.

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