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pro vyhledávání: '"David F. Rock"'
Autor:
David F. Rock
Publikováno v:
SPIE Proceedings.
This paper describes differential ray tracing and shows how it can be used to great advantage in stray light analysis. Tracing a differential ray from a source to a target yields a set of derivatives that contain a complete first-order description of
Publikováno v:
Optical Interference Coatings.
Multilayer dielectric bandpass coatings were deposited on a variety of substrates to assess the effect of surface condition on out-of-band angle resolved scattering (ARS).
Publikováno v:
SPIE Proceedings.
The use of MIL-STD-1246 particle distributions for calculating BRDF scatter has given unrealistic cleanliness requirements for optical systems exposed to environmental fallout. MIL-STD-1246 and fallout data were reviewed and used to generate more rea
Autor:
David F. Rock
Publikováno v:
SPIE Proceedings.
OARDAS (Off-Axis Rejection Design Analysis Software) is a Raytheon in-house code designed to aid in stray light analysis. The code development started in 1982, and by 1986 the program was fully operational. Since that time, the work has continued--no
Publikováno v:
Diffractive Optics and Micro-Optics.
This paper focuses on the need and proper application of DOE’s invisible systems and on the nature and performance of the projector optical design and test results.
Autor:
David F. Rock
Publikováno v:
SPIE Proceedings.
The APART/PADE stray radiation analysis program uses paraxial image theory to transfer radiation through lenses or to reflect it from mirror surfaces. However, this theory is inadequate in analyzing systems having specular nonimaging surfaces for the
Autor:
David F. Rock
Publikováno v:
SPIE Proceedings.
The presence of nonimaging specular baffles in a radiation path between a source and collector surface precludes the use of traditional first order optics for mapping the collecting surface into the source space. A method is presented for constructin
Autor:
David F. Rock
Publikováno v:
SPIE Proceedings.
The new Off-Axis Rejection Design Analysis Software (OARDAS) aids in modeling complex baffle configurations for generally asymmetric and folded optical systems in order to estimate their background suppression performance. This interactive program us
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