"Optical Design Fundamentals for Infrared Systems" by Max J. Riedl
Tutorial Texts Series. Tutorial Texts in Optical Engineering, Volume TT48, Second Edition. The Society of Photo-Optical Instrumentation Engineers
SPIE PRESS | 2001 | ISBN: 081948069X 9780819480699 | 187 pages | PDF | 27 MB
This is the practical and popular tutorial, reflecting developments in technology and applications.