Tunable Laser Gain Chip with TEC - Thorlabs
Tunable Laser Gain Chip with TEC - Thorlabs
Tunable Laser Gain Chip with TEC - Thorlabs
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PinIdentificationAdditional SpecificationsPin 1Pin 6Pin 3 Pin 41. <strong>TEC</strong> +2. Thermistor3. Thermistor4. Dev. Anode5. Dev Cathode6. <strong>TEC</strong> –SAF1900SMin Typical Max<strong>Chip</strong> <strong>Gain</strong> a - 18 dB -Angled Facet Reflectivity b (R 1 ) - .005% 0.01%Normal Facet Reflectivity (R 2 ) - 20% -Lateral Beam Exit Angle - 26.5° -Beam Divergenceθ T - 35° -(FWHM)θ L - 19° -Operating Current c - 500 mA 800 mAOperating Temperature (Non-Condensing) - 25 °C -<strong>TEC</strong> Forward Voltage - - 3.6 V<strong>TEC</strong> Forward Current - - 2.1 A<strong>Chip</strong> Length - 2 mm -Waveguide Refractive Index - 3.2 -Astigmatism - 1 µm 3 µmFiber TypeSM2000Fiber ConnectorFC/APCPeak Optical Isolation - - -Fiber Coupling Efficiency - 50% -a Single pass optical gain at center of gain curve; b SAF chip reflectivity diagram (see below); c @ T OPGraphsR2*SAF <strong>Gain</strong> <strong>Chip</strong>ReflectiveCoating*R 2 is between 10 and30%, depending onmodel.R1 < 0.01%April 4, 201121586-S01, Rev C
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