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High-Sensitivity Optical Sensors (RoHS)

Sensors using silicon and germanium photodiodes for laser power measurement with resolution of 1 nW.
Coherent Inc.
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  • Silicon and Germanium photodiodes
  • 0.25 to 1.54 µm range
  • Fiber-optic connector (optional)
  • 1000:1 attenuator (optional)
  • RoHS Compliant

LM-2 and OP-2 Series Semiconductor Sensors offer four detector choices, a silicon sensor for 400-1064 nm (VIS), a UV-enhanced silicon sensor for 250-400 nm (UV) and a germanium sensor for 800-1800 nm in the infrared (IR).

OP-2 designated sensors function with 3Sigma™, FieldMaxII™-TOP, FieldMaxII™-TO, and FieldMate™.

LM-2 designated sensors function with Ultima LabMaster™, FieldMaster-GS™.

To determine which meters operate with the sensor you have chosen, check the Power Sensor Compatibility Chart.


All LM-2 and OP-2 Series Sensors are provided with a mounting base, adjustable-height post, removable light shield, and connecting cable. If the laser power exceeds the maximum limit for the VIS and IR sensors, then an optional optical attenuator is available to allow measurements up to 5W. Adapters for common fiber optic connectors are available.

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For detailed specifications, see part number.
Name
Description
Germanium optical sensor (RoHS)
UV enhanced silicon optical sensor (RoHS)
Silicon optical sensor (RoHS)
Germanium optical sensor (RoHS)
UV enhanced silicon optical sensor (RoHS)
Silicon optical sensor (RoHS)
Accessories
Connect common fiber terminations to threads around entrance apertures.
Allows use of visible and infrared sensors at 5 and 3 watts, respectively.

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