Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Leo R. Gardner"'
Autor:
William T. Plummer, Leo R. Gardner
Publikováno v:
Applied optics. 31(31)
A visually striking image phenomenon has been noticed during mechanical abrasion of a plane nickel optical surface. After the lap was removed and the surface was cleaned, two clear ghost images of the absent lap were visible in full detail, in each o
Publikováno v:
SPIE Proceedings.
Sources of error associated with Single Point Diamond Turning of rotationally symmetric aspheres are examined and mathematically dissected to yield equations in the form of a superposition of errors. The equations are derived from manufacturing proce
Publikováno v:
SPIE Proceedings.
Micro-Electro-Mechanical Systems or MEMS are becoming increasingly important in several optical applications. In particular, devices composed of an array of active micro-optics can be used for wavefront correction, optical switching, and generic digi
Publikováno v:
SPIE Proceedings.
Immediately following an optimization sequence, many designers typically implement sensitivity analysis prior to more intensive tolerance analysis and system error budgeting. This paper proposes a method of automating optical design optimization into
Publikováno v:
SPIE Proceedings.
Splines are commonly used to describe smooth freeform surfaces in Computer Aided Design (CAD) and computer graphic rendering programs. Various spline surface implementations are also available in optical design programs including lens design software
Autor:
Leo R. Gardner
Publikováno v:
SPIE Proceedings.
The International Optical Design Conference traditionally includes one or more lens design problems for members of the optical design community to consider. This year, the design problem consists of designing a solid glass lens with no intervening ai
Publikováno v:
Optical Engineering. 52:112104
The article explores the possibility of athermalizing a gradient-index (GRIN) lens so that the effective focal length (EFL) of the element remains constant over a change in temperature. This is accomplished by designing the lens so that the surface c
Publikováno v:
SPIE Proceedings.
Many satellite-borne measurement applications require lightweight, reflective near diffraction limited telescopes with wide spectral bands (UV/visible to LWIR), for operation in space environments and over wide temperature ranges. Emerging silicon ca
Publikováno v:
SPIE Proceedings.
The next generation of space-borne optical sensor will have to meet tight weight limitation, in order to be viable on smaller, less expensive, launch platforms, while supporting a wide range of mission scenarios. Wide spectral coverage, near-diffract
Publikováno v:
Surveillance Technologies and Imaging Components.
Many satellite-borne measurement applications require lightweight, reflective near diffraction limited telescopes with wide spectral bands (UV/visible to LWIR), for operation in space environments and over wide temperature ranges. Emerging silicon ca