Laser source module

The HP 81553SM is a fixed-wavelength, Fabry-Perot laser source module designed to be used as a plug-in module within Agilent/HP mainframes like the 8153A, 8163A, 8164A, and 8166A Lightwave Mainframes. Key Features & Specifications: Laser Type: Fabry-Perot (FP) Laser Central Wavelength: 1550 nm ± 20 nm Fiber Type: 9/125 µm Single-mode fiber Output Power: > 0 dBm Spectral Bandwidth: < 4 nm rms Power Stability: Short-term (15 min, constant temp): ±0.003 dB Long-term (6 hours, 0°C to 55°C): ±0.03 dB Internal Attenuation: The output power can be internally attenuated in 0.1 dB steps, up to 6 dB. Internal Digital Modulation: Features internal digital modulation at 270 Hz and 1 kHz, with a 50% duty cycle pulse shape. Operating Temperature Range: 0°C to +55°C.