Electro-Optics

Electro-Optics

Vescent Photonics manufactures and supplies electro-optic products including saturated absorption spectroscopy modules, heterodyne modules, beat note detectors, and fiber-coupling ports.

The VescentD2-210 saturated absorption spectroscopy electro-optic module serves as a primary optical frequency standard based on the Doppler-free hyperfine spectra of various alkali metal vapers.

The Vescent D2-250 laser heterodyne electro-optic module conveniently overlaps two lasers to produce an optical beat note commonly used as an error signal for fixing the frequency of one laser (the slave) relative to a second laser (the master).

The Vescent D2-260 beat note detector converts the optical beat note captured by the D2-250 heterodyne module to an electrical signal in the microwave domain. This error signal is processed by the D2-135 Offset Phase Lock Servo which, by way of feedback control to the slave laser, establishes a true phase lock between the master and slave lasers.

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