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Time-resolved simulation of a pulse reflecting from a Bragg mirror. A distributed Bragg reflector (DBR) is a reflector used in waveguides, such as optical fibers.It is a structure formed from multiple layers of alternating materials with different refractive index, or by periodic variation of some characteristic (such as height) of a dielectric waveguide, resulting in periodic variation in the ...
A distributed Bragg reflector laser (DBR) is a type of single frequency laser diode. Other practical types of single frequency laser diodes include DFB lasers and external cavity diode lasers. A fourth type, the cleaved-coupled-cavity laser has not proven to be commercially viable. VCSELs are also single frequency devices. [1]
An infrared dielectric mirror in a mirror mount. A dielectric mirror, also known as a Bragg mirror, is a type of mirror composed of multiple thin layers of dielectric material, typically deposited on a substrate of glass or some other optical material.
An acousto-optic modulator (AOM), also called a Bragg cell or an acousto-optic deflector (AOD), uses the acousto-optic effect to diffract and shift the frequency of light using sound waves (usually at radio-frequency). They are used in lasers for Q-switching, telecommunications for signal modulation, and in spectroscopy for frequency control.
GE Measurement & Control Solutions is an affiliate business of Baker Hughes specializing in the design and manufacture of sensing elements, devices, instruments, and systems that enable customers to monitor, protect, control, and validate the safety of their critical processes and applications. [citation needed]
GE Oil & Gas was the division of General Electric that owned its investments in the petroleum industry.In July 2017, this division was merged with Baker Hughes. [1]The division supplied equipment for the petroleum industry including drilling, subsea and offshore, onshore, LNG, distributed gas, oil pipeline and oil storage, oil refinery and petrochemical.