Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Echelle grating dense wavelength division multiplexer/demultiplexer

Echelle grating dense wavelength division multiplexer/demultiplexer

US Patent RE40271 · Granted Apr 29, 2008

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

TDLAS architecture for widely spaced wavelength2025
Demultiplexing filter and method2025
TDLAS architecture for widely spaced wavelengths2022
Method and apparatus for monitoring port blockage for TDLAS measurements in hars2021
TDLAS architecture for widely spaced wavelength2020
Method and apparatus for verification of TDLAS system operation2020
Method and apparatus for monitoring port blockage for TDLAS measurements in hars2019
TDLAS architecture for widely spaced wavelengths2019
In-furnace retro-reflectors with steerable tunable diode laser absorption spectr2016
Method and apparatus for monitoring combustion properties in an interior of a bo2014
Mitigation of optical signal noise using a multimode transmit fiber2014
Time-synchronized TDLAS measurements of pressure and temperature in a gas turbin2014