System and method for voice control of medical devices

Details System and method for voice control of medical devices System and method for voice control of medical devices

2007-08-21

2007-08-21

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Raman or brillouin process

C359S327000, C372S003000

Reexamination Certificate

active

10757341

ABSTRACT:
A light source includes a wavelength shifter that is capable of shifting a shorter optical signal wavelength to a longer optical signal wavelength based at least in part on a Raman effect in a waveguide. The wavelength shifter includes a pump laser that operable to produce the shorter optical signal wavelength. The wavelength shifter also includes an intermediate stage that is coupled to the pump laser and capable of producing an intermediate optical signal wavelength. The intermediate optical signal wavelength is longer than the shorter optical signal wavelength. The wavelength shifter further includes a final stage capable of generating the longer optical signal wavelength. The final stage includes at least in part a ZBLAN waveguide and wherein the longer optical signal wavelength is greater than 1.7 microns and is greater than the intermediate pump signal wavelength.

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