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For more information contact:
Gary Wagner, General Manager, Ophir Photonics (U.S.),
Shari Worthington, PR Counsel, Telesian Technology,
Sales Inquiries,

Ophir Photonics Expands Line of Pyroelectric Energy Sensors for High Power, High Repetition Rate Lasers

Industry's Widest Dynamic Range, Highest Damage Thresholds

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PE50July 23, 2013 – North Logan, UT - Ophir Photonics Group, the global leader in precision laser measurement equipment and a Newport Corporation brand, today announced two new Pyroelectric Laser Energy Sensors, the PE50BB-DIF-C and the PE50-DIF-ER-C. They complete Ophir's PE-C line of pyroelectric pulsed laser sensors – compact devices that provide the industry's lowest measurable energy, longest measurable pulse width, and highest accuracy. The PE50-DIF-ER-C measures average power to 60W and has a wide dynamic range that extends to infrared lasers, including 2.94µm Erbium laser pulses. The PE50BB-DIF-C features a spectrally flat BB (broadband) coating, usable from far UV to far IR.

"The PE50BB-DIF-C and PE50-DIF-ER-C are the latest additions to Ophir's advanced PE-C line of pyroelectric sensors," stated Ephraim Greenfield, CTO, Ophir Photonics. "They can measure single or repetitive pulses with unprecedented flexibility of dynamic range, pulse rate, and pulse width."

The new laser energy sensors feature large, active aperture areas to 46mm and support pulse widths up to 20ms. They have a user adjustable threshold that prevents false readings in noisy environments. In addition, the sensors provide:

  • PE50-DIF-ER-C: Repetition rates up to 10kHz, energy measurement down to 100µJ, special diffuser for high damage thresholds up to 20J/cm2 for 300µs pulses.
  • PE50BB-DIF-C: Energies down to 0.1mJ and flat spectral response from 0.19 to 20µm with diffuser removed. With diffuser, energy densities of up to 3J/cm2 for nanosecond pulses. 

The PE-C laser energy sensors are designed for high power, short pulse YAG and harmonic generation applications in a broad range of industries, as well as long pulse lasers for applications from dermatology to micromachining to industrial welding.

The PE50BB-DIF-C and PE50-DIF-ER-C laser sensors work with most Ophir smart displays or PC interfaces, including the Nova II, Vega, and Juno. Each display features a "Smart Connector" interface that automatically configures and calibrates the display when plugged into one of the company's measurement sensors.

Availability & Pricing
The PE50BB-DIF-C and PE50-DIF-ER-C laser energy sensors are available now. OEM pricing is available on request.

Data Sheets

About Ophir Photonics
With over 30 years of experience, Ophir Photonics, a Newport Corporation brand, provides a complete line of instrumentation including power and energy meters, beam profilers, spectrum analyzers, and goniometric radiometers. Dedicated to continuous innovation in laser measurement, the company holds a number of patents, including the award-winning BeamTrack power/position/size meters and Spiricon's Ultracal™, the baseline correction algorithm that helped establish the ISO 11146-3 standard for beam measurement accuracy. The Photon family of products includes NanoScan scanning-slit technology, which is capable of measuring beam size and position to sub-micron resolution. The company is ISO/IEC 17025:2005 accredited for calibration of laser measurement instruments. Their modular, customizable solutions serve manufacturing, medical, military, and research industries throughout the world. For more information, visit

Sales Inquiries,

For further information contact:
Gary Wagner, General Manager
Ophir Photonics (U.S.)
3050 North 300 West
North Logan, UT 84341
Tel: 435-753-3729

PR Office:
Shari Worthington, President
Telesian Technology Inc.
49 Midgley Lane
Worcester, MA 01604 USA
+1 508.755.5242, Fax: +1 508.795.1636

© 2013. BeamGage is a registered trademark and BeamMaker, BeamMic, BeamTrack, and Ultracal are trademarks of Ophir-Spiricon. All other trademarks are the registered property of their respective owners.