MKS expands the Ophir Helios Pro industrial power meter

“The Helios Pro industrial power meter is designed for flexibility in challenging environments.”

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MKS Instruments (MKSI) has unveiled an expanded version of the Ophir Helios Pro industrial power meter. Designed to measure high-power lasers, the solution can monitor pulse shapes during the measurement process, it also helps to compensate for the effects of slow pulse rise times. As a result, users will experience more accurate measurements, even when the laser doesn’t have sharp rise/fall times.

The new Ophir Helios Pro features a new shutter mechanism which allows the user to mount the system in any orientation while also protecting the sensor from dust and debris. With the diffuser option, the solution supports power measurements of small beams in hard-to-access spaces.

The enabling technologies provider’s updated solution measures the energy and exposure time of a short pulse (0.3+ seconds) and calculates the power. By keeping the pulse energy under 5kJ, water and fan cooling can be eliminated, making the design more compact.

Key features of the Ophir Helios Pro:

  • Features a robust and compact design, with the solution being housed in a dust-resistant industrial enclosure.
  • Measures high-power lasers, including diode, fibre, and Nd:YAG, with power ranges from 100W to 12kW, and wavelengths from 450-550nm (blue/green) to 900-1100nm (infrared).
  • Includes a new shutter mechanism providing flexible orientation when mounting.
  • Provides three-second response times and a 12-second wait between consecutive measurements at maximum energy. This allows multiple measurements to be completed before cooling down.
  • Fully automated measurements are possible following the integration of the production control system.

“Increasingly, production processes occur in constrained spaces or are not conducive to water-cooled high power sensors, and fast readout of results is needed,” said Reuven Silverman, General Manager at Ophir Photonics. “The Helios Pro industrial power meter is designed for flexibility in challenging environments. It provides even more accurate average power measurements independent of the rise time and, with the diffuser option, allows measurement of smaller beams when space limitations require installation closer to the focal plane. Its shutter mechanism allows mounting in any orientation while still protecting the sensor from dust and debris contaminates.”