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Overstock Gratings

Overstock transmission gratings for telecom, datacom, lasers and remote sensing.

Overstock diffraction gratings have the same great optical performance and diffraction efficiency as our standard products however are offered at reduced prices due to relaxed surface quality specifications or non-standard sizes. This is a great option if minor surface imperfections (that mostly affect scattered light and not the optical efficiency) are acceptable.

The gratings are not individually tested, but optical efficiency testing may be ordered at additional fee.

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