Apparatus and method for transmitted-light and reflected-light i

Details Apparatus and method for transmitted-light and reflected-light i Apparatus and method for transmitted-light and reflected-light i

1992-12-23

1995-01-31

Look, Edward K.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

359368, H01J 314

Patent

active

053861124

ABSTRACT:
A new scanning optical microscope or mapping system for transmission, reflection and luminescence imaging is disclosed. A transmission arm collects light transmitted through the specimen and injects it back into the optical path of the microscope parallel with and coaxial with the reflected light beam returning from the specimen, so both transmitted and reflected light beams are descanned by the same scan optics on their way back to the same detector. Since light travels around the transmission arm in both directions, this microscope forms images of the specimen from either the top or the bottom and in either reflected light or transmitted light, and all four of these imaging modes can be selected separately. Embodiments for use in fluorescence and photoluminescence imaging are also disclosed.

REFERENCES:
patent: 4827125 (1989-05-01), Goldstein
patent: 4863226 (1989-09-01), Houpt et al.
patent: 4893008 (1990-01-01), Horikawa
patent: 5059010 (1991-10-01), Yomoda

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