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High Sensitivity Thermal Sensors

High Sensitivity Thermal Sensors
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27 For latest updates please visit our website: www.ophir-spiricon.com 01.01.2010 1.1.2 Thermal Power Sensors 1.1.2.1 High Sensitivity Thermal Sensors 30ìW to 3W Features Very low noise and drift to measure very low powers and energies Broadband and P absorbers for CW and short pulses Up to 3W Spectrally flat Ê Ê Ê Ê 3A/ 3A-P 3A-FS 3A-P-FS-12 3A 3A-P 3A-FS 3A-P-FS-12 Model 3A 3A-P 3A-FS 3A-P-FS-12 Use General purpose Short pulses With removable window For divergent beams, window blocks infrared Absorber Type Broadband P type Broadband P type + F.S. window Spectral Range ìm 0.19 - 20 0.15 - 6 0.19 - 20 (b) 0.22 - 2.1 Aperture mm ö 9.5mm ö 12mm ö 9.5mm ö 12mm Maximum Beam Divergence NA NA NA ±40 degrees Power Mode Power Range 60ìW - 3W 60ìW - 3W 30ìW - 3W 60ìW - 3W Power Scales 3W to 300ìW 3W to 300ìW 3W to 300ìW 3W to 300ìW Power Noise Level 2ìW 4ìW 2ìW 6ìW Thermal Drift (30min) % (a) 5 - 20ìW 5 - 30ìW 2 - 10ìW 20 - 40ìW Maximum Average Power Density KW/cm2 0.2 0.05 0.2 0.05 Response Time with Meter (0-95%) typ. s 1.8 2.5 1.8 2.5 Power Accuracy +/-% 3 3 3 3 Linearity with Power +/-% 1.5 1.5 1.5 1.5 Energy Mode Energy Range 20ìJ - 2J 20ìJ - 2J 15ìJ - 2J 20ìJ - 2J Energy Scales 2J to 200ìJ 2J to 200ìJ 2J to 200ìJ 2J to 200ìJ Minimum Energy mJ 20ìJ 20ìJ 15ìJ 20ìJ Maximum Energy Density J/cm2 <100ns 0.3 1 0.3 1 0.5ms 1 1 1 1 2ms 2 1 2 1 10ms 4 1 4 1 Cooling convection convection convection convection Fiber Adapters Available (see page 42) ST, FC, SMA, SC ST, FC, SMA, SC ST, FC, SMA, SC NA Weight Kg 0.2 0.2 0.2 0.15 Version V1 Part number 7Z02621 7Z02622 7Z02628 7Z02687 Note: (a) Depending on room airflow and temperature variations Note: (b) Remove window for measurement beyond 2.2ìm 1.1.2 Sensors

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