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Calibration Source

I2-HeNe Calibration Source
Icon Nominal Output Wavelength 632.991212 nm

Nominal Output

Icon Absolute Accuracy ± 11 kHz


Icon Output Power 60 µW ± 15 µW

Output Power

Iodine Stabilized Helium-Neon Laser

The I2-HeNe is a Helium Neon Laser stabilized on the saturated absorption spectrum of molecular iodine. Its stabilization method yields extremely high frequency stability and repeatability, making the I2-HeNe ideal for the calibration of all wavelength meters, including the most accurate WS8-2. Please note that the output is frequency modulated and should therefore be used with an exposure time higher than 10 ms (100 ms are recommended) to achieve the best stability performances.

Recommended Wavemeter

Button Recommeded Wavemeter WS8-2 Button Recommeded Wavemeter WS8-10 Button Recommeded Wavemeter WS7-30 Button Recommeded Wavemeter WS7-60

Other Accuracies at 633 nm

Button SL04 Calibration Source Button SL02 Calibration Source

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Further Information

Button Technical I2-HeNe Calibration Source Button Product Brochure Calibration Sources
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