Phase masks

Very Long Phase Masks (VLPM) for writing Bragg gratings on optical fibers are available with gratings u¥to 140 mm long. The grating uniformity results in very narrow bandwidths. VLPMs can also be manufactured in chirped or phase-shifted configurations.
May 1, 1995

Very Long Phase Masks (VLPM) for writing Bragg gratings on optical fibers are available with gratings u¥to 140 mm long. The grating uniformity results in very narrow bandwidths. VLPMs can also be manufactured in chirped or phase-shifted configurations.

Compact Nd:YAG laser

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