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    • Gain Chip

    Gain chips are semiconductor optical elements used as the optical gain medium of external cavity laser diodes. Gain chips are used as a TLS (Tunable Light Source) that can change the oscillation wavelength using a wavelength selection filter such as a diffraction grating.


    Central wavelength:850nm 1550nm
    Output power:2mW 40mW 50mW 125mW

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