Raman amplifier modules can be used in distributed fiber optic vibration systems, capable of increasing fiber optic sensing distances up to 40km or more.
This is a polarization-maintaining fiber acousto-optic modulator (AOM) commonly used in optical switching and optical frequency shifting, operating at a wavelength of 1064 nm with a central frequency of 80 MHz.
This is a polarization-maintaining fiber acousto-optic modulator (AOM) commonly used in optical switching and optical frequency shifting, operating at a wavelength of 1064 nm with a central frequency of 100 MHz.
This PM fiber acousto-optic demodulator (1064 nm, 200 MHz) is primarily used for seed source selection and frequency downshifting in ultrafast laser systems.
Introduces the configuration of the pulsed laser for DTS temperature sensing, including how to set the ACC and APC modes, the trigger method and the pulse width parameters.