Device and method for controlling the optical power in a...

Details Device and method for controlling the optical power in a... Device and method for controlling the optical power in a...

2006-05-16

2006-05-16

Allen, Stephone B. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S201300, C359S368000

Reexamination Certificate

active

07045772

ABSTRACT:
An apparatus for controlling optical power in a microscope includes a measuring device for measuring the optical power, and a control unit for controlling a high-frequency source as a function of the measured optical power so as to achieve a selectable level of the optical power. The microscope includes a source providing light along an illumination beam path to a sample, a detector receiving detection light lead along a detection beam path from the sample, and an acousto-optical or electro-optical element located in the illumination beam path and driven by the high-frequency source.

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