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ray<sup>gt</sup> Photonics

Thorlabs C-series thermal power sensors

Photonics

Since July 2017, greenteg has been an exclusive partner of Thorlabs for thermal sensors. The international market leader in laser devices has integrated gRAYgt sensors into its C-Series Thermal Power Sensor for even greater precision in laser output.

This thermal influence results in a difference in temperature between the upper side of the sensor (exposed) and the lower side (unexposed).
This difference in temperature generates a voltage based on the Seebeck effect. It is directly proportional to the input power and can be used to calculate the output of the laser.
This thermal influence results in a difference in temperature between the upper side of the sensor (exposed) and the lower side (unexposed).
This difference in temperature generates a voltage based on the Seebeck effect. It is directly proportional to the input power and can be used to calculate the output of the laser.
This thermal influence results in a difference in temperature between the upper side of the sensor (exposed) and the lower side (unexposed).
This difference in temperature generates a voltage based on the Seebeck effect. It is directly proportional to the input power and can be used to calculate the output of the laser.

Background

In 2012, greenteg delivered the first gRAYgt sensors to Thorlabs Inc. This marked the beginning of a successful partnership, which in 2017 evolved into an exclusive contract in the field of photonics.

Almost all products in the C-Series Thermal Power Sensor are fitted with thermal gRAYgt laser output sensors, which continually compute and control the laser output and, if necessary, the position of the beam.

Solution

Integration of gRAYgt sensors for measuring and monitoring laser output and position in C-Series Thermal Power Sensor devices.

Benefits

  • Flexible, precise measurement of laser output in real time
  • Cost-effective sensor element, easy to integrate
  • Thermal sensors allow for beam output independent of the wavelength of the laser
  • Wide spectrum range (UV to MIR), output spectrum of 10 μW to 50 W
  • Rapid response time
  • Compact, robust design
  • Slender profile enables direct integration into circuit boards
  • High tolerance in terms of sensor setup; the signal is less dependent on the incidence angle and position of the beam

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