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IR Laser Optics - Gratings Rule in Gold

Gold Gratings

We design and rule custom Gratings directly in gold for IR (4 to 12 microns) laser applications. Gold gratings are particularly important to IR lasers since their increased efficiency allows more of the generated light to be used. Their resistance to degradation allows them to be used in high power applications that might damage gratings having a thin gold coating over aluminum, for example. These gratings are available on both INVAR and ceramic substrates - if you are interested in working with other materials please contact us for more information.

Capabilities

Custom gratings ruled directly in gold on special substrates in various materials and mediums for 4-12 micron laser applications.
Standard molecular laser gratings on aluminized copper substrates.

Specifications

	Grooves/mm		70 - 450
	Optimum Range (µ)		4.0 - 12.0
	Substrate Materials		Copper, Invar, Ceramic or Silicon
	Clear Aperture		90%
	Groove Parallelism to Edge		±0.5°
	Dimensional Tolerance		± 0.5 mm
	Thickness Tolerance		± 0.5 mm
	Typical Peak Efficiency (Polarized)		³95%

* Custom sizes, rulings and substrates are available on request.

Optometrics 8 Nemco Way, Stony Brook Industrial Park, Ayer, MA 01432 USA
Phone: (978) 772-1700 Fax: (978) 772-0017