SA (Saturable Absorber) is a structure formed by creating a saturated absorption layer on a semi-insulating GaAs wafer.
■Both sides of the SA are coated with anti-reflective (AR) coating to match the wavelength of the laser. ■The SA is a nonlinear absorber, and the transmittance increases with the increase in pulse energy. ■The typical saturation fluence of the SA is higher than that of the SAM. ■When the relaxation time is less than 100 ps, the SA returns to the ground state.
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basic information
■ By using SA, it is possible to achieve a self-oscillating passive mode-locked laser with very stable pulse repetition. ■ SA is available for mode-locking mainly in fiber lasers, covering a wide spectral range from 1030 nm to 2800 nm. ■ It is also possible to easily realize a ring laser. ■ Both free-space optical systems and fiber coupling can be used.
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Applications/Examples of results
■High pulse stability passive mode-locked laser ■Mode-locking of fiber lasers
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■New products related to barcodes ■Laser diode related ■We accept orders for optical fiber connector processing. *We are currently accepting orders for communication and large diameter connectors with short delivery times! ■Manufacturing of ultra-stabilized LD modules and light source devices ■Import and sales of various semiconductor lasers ■Import and sales of optical modulators and optical peripheral components ■Other import and sales of scientific and analytical instruments and parts
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