Variable-wavelength optical output device

Details Variable-wavelength optical output device Variable-wavelength optical output device

2005-12-06

2005-12-06

Williams, Joseph (Department: 2879)

Optical waveguides

With optical coupler

Input/output coupler

C356S334000

Reexamination Certificate

active

06973233

ABSTRACT:
In a wavelength-variable light outputting apparatus, a diffraction grating8and a shielding member11which make wavelength and light quantity variable are attached to galvanometric scanners12, 13,respectively, and the latter are swung, whereby the wavelength can be made variable at a high speed while in a state where the light quantity is kept constant. Such an apparatus is useful for capturing a fluorescent image of a biological sample in particular. By way of the shielding member11,light is made incident on the optical fiber10and is outputted therefrom, whereby a biological sample SM can effectively be irradiated with light.

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