High Sensitivity Thermal Sensors0 pages

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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
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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