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Pyro-C Laser Energy Sensors

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MUNICH, Germany, June 1, 2011 — Ophir Photonics Group has unveiled the Pyro-C line of pyroelectric laser energy sensors. An upgrade to the company's PE line of pyroelectric pulsed sensors, the Pyro-C detectors provide low measurable energy, a long measurable pulse width and high accuracy. They are compact devices that have a user-adjustable threshold, preventing false readings in noisy environments.

They combine a high damage threshold and high repetition rates with a wide range of wavelengths, from the ultraviolet to the near-infrared. They accurately measure high-repetition-rate lasers over a broad spectral range from 150 nm to 12 µm.

The line includes the PE10-C with measureable energy down to 1 µJ and repetition rates to 25 kHz, with a 12-mm aperture; the PE25-C/PE50-C with energies from 8 µJ to 10 J, repetition rates to 10 kHz, pulse widths to 5 ms, and 24.5- and 46-mm apertures; and the PE50-DIF-C with a diffuser to produce high energy densities to 1 J/cm2.

The sensors use a single diffuser to cover the ultraviolet, visible and near-infrared wavelengths. They can measure millions of pulses with no change in calibration. Built-in wavelength correction and high damage thresholds ensure the accuracy and repeatability needed for laser measurement applications from photolithography to Nd:YAG laser welding.

They can perform power measurement with repetitive pulses, single-shot energy and laser power tuning. Users are provided with information about the laser being tested, including pulse energy, average power, frequency, minimum and maximum values, missing pulses, time jitter and standard deviation. Pulse energies can be displayed numerically or in graphs. Up to 50,000 points of data can be stored onboard in nonvolatile memory and can be sent to a computer for analysis and storage.

The energy sensors work with most of the company’s smart displays or PC interfaces, with all new features supported in 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 heads.

For more information, visit:
Jun 2011
Sensors & Detectors
Test & Measurement
ConsumerEuropeGermanygraphical displayindustriallaser energy sensorsNd:YAG weldingnumeric displayOphirphotolithographyProductsPyro-CpyroelectricSensors & Detectorssingle diffuserTest & Measurementuser-adjustable thresholdUV to near-IRwavelength correction

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