Imaging optics with wavelength dependent aperture stop

Details Imaging optics with wavelength dependent aperture stop Imaging optics with wavelength dependent aperture stop

2008-07-15

2008-07-15

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With light limiting or controlling means

C359S723000, C359S565000, C359S589000, C359S686000, C359S684000, C359S784000, C359S791000, C348S342000, C348S781000, C348S240300, C348S357000, C355S053000, C250S550000

Reexamination Certificate

active

07400458

ABSTRACT:
An imaging system includes a wavelength dependent aperture stop, which transmits light with different ranges of wavelengths through apertures of different diameters. Thus, different colored light will have different F-stops, which can be selected based on the power transfer and image quality requirements for the different colored light. For example, a smaller F-stop may be used with a weaker light source to produce a higher throughput for a specific range of wavelengths. Accordingly, the optical system's design and optimization is wavelength and F-stop dependent.

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