Thorlabs Inc

1064 nm, 75:25 Ratio Narrowband Fiber Optic Coupler

820 nm, 80 mW, Fabry-Perot Fiber-Coupled Benchtop Laser Source

3 W max. Power, 1050 nm Wavelength Polarization dependent Fiber Isolator

320-1100 nm, Cathode Grounded, Mounted Silicon Photodiode

1450 to 1610 nm, FC/APC PM Fiber, Electronic Variable Optical Attenuator