Holographic Diffraction Gratings, Standard and CW

Holographic Diffraction Gratings

Optometrics

Holographic Diffraction Gratings

holographic-diffraction-grating--efficiency-curve — Sample Efficiency Curve – 1000 UV Holographic Grating

High-Quality Holographic Diffraction Gratings

These replicated holographic diffraction gratings are produced on soda lime glass substrates from high quality holographic master gratings and are intended for use in spectrometers and monochromators where cost and low stray light are of primary concern. They exhibit a flatter response due to their sinusoidal groove profile.

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Damage Thresholds

Available with either standard or CW-type construction for higher damage threshold performance, holographic diffraction gratings can also be produced on substrates with a lower coefficient of thermal expansion for better stability. No damage threshold minimums apply to diffraction gratings with an overcoat.

Standard

Pulsed 350 milli-joules/ cm² @ 200 n sec.
CW 40 watts/cm²

CW-Type

Pulsed 3.5 joules/ cm² @ 200 n sec.
CW 250 watts/cm²

For continuous high power applications.

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Product SKUs

Holographic Diffraction Grating Specifications | G1200HUVCEAC

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Pyrex
Size (mm)	12.7 mm Sq.	Size Tolerance	±0.5 mm
Thickness	6 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +200° C	Damage Threshold: Pulsed	3.5 J/cm², 200 nano sec. pulse
Damage Threshold: CW laser	250 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVCEAS

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Float Glass
Size (mm)	12.7 mm Sq.	Size Tolerance	±0.5 mm
Thickness	6 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +125° C	Damage Threshold: Pulsed	350 mJ/cm², 200 nano sec. pulse
Damage Threshold: CW laser	40 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVGEAC

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Pyrex
Size (mm)	25 mm Sq.	Size Tolerance	±0.5 mm
Thickness	6 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +200° C	Damage Threshold: Pulsed	3.5 J/cm², 200 nano sec. pulse
Damage Threshold: CW laser	250 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVGEAS

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Float Glass
Size (mm)	25 mm Sq.	Size Tolerance	±0.5 mm
Thickness	6 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +125° C	Damage Threshold: Pulsed	350 mJ/cm², 200 nano sec. pulse
Damage Threshold: CW laser	40 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVGGAC

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Pyrex
Size (mm)	25 mm Sq.	Size Tolerance	±0.5 mm
Thickness	9.5 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +200° C	Damage Threshold: Pulsed	3.5 J/cm², 200 nano sec. pulse
Damage Threshold: CW laser	250 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVGGAS

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Float Glass
Size (mm)	25 mm Sq.	Size Tolerance	±0.5 mm
Thickness	9.5 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +125° C	Damage Threshold: Pulsed	350 mJ/cm², 200 nano sec. pulse
Damage Threshold: CW laser	40 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVTGAC

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Pyrex
Size (mm)	25 X 50 mm	Size Tolerance	±0.5 mm
Thickness	9.5 mm	Thickness Tolerance	±0.5 mm
Grooves Parallel	Short	Scratch/Dig	60/40
Clear Aperture	90%	Edge Angle	90° ±0.50°
Perpendicularity	90° ±0.50°	Operating Temperature Range	-50° C to +200° C
Damage Threshold: Pulsed	3.5 J/cm², 200 nano sec. pulse	Damage Threshold: CW laser	250 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVTGAS

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Float Glass
Size (mm)	25 X 50 mm	Size Tolerance	±0.5 mm
Thickness	9.5 mm	Thickness Tolerance	±0.5 mm
Grooves Parallel	Short	Scratch/Dig	60/40
Clear Aperture	90%	Edge Angle	90° ±0.50°
Perpendicularity	90° ±0.50°	Operating Temperature Range	-50° C to +125° C
Damage Threshold: Pulsed	350 mJ/cm², 200 nano sec. pulse	Damage Threshold: CW laser	40 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVJGAC

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Pyrex
Size (mm)	30 mm Sq.	Size Tolerance	±0.5 mm
Thickness	9.5 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +200° C	Damage Threshold: Pulsed	3.5 J/cm², 200 nano sec. pulse
Damage Threshold: CW laser	250 watts/cm²

Holographic Diffraction Grating Specifications | G1200HUVJGAS

Optical Coating	Aluminum	Grooves Per mm	1200
Blaze	UV	Groove Angle	Holographic UV
Dispersion @ 250 nm (nm/mr)	0.82	Substrate	Float Glass
Size (mm)	30 mm Sq.	Size Tolerance	±0.5 mm
Thickness	9.5 mm	Thickness Tolerance	±0.5 mm
Scratch/Dig	60/40	Clear Aperture	90%
Edge Angle	90° ±0.50°	Perpendicularity	90° ±0.50°
Operating Temperature Range	-50° C to +125° C	Damage Threshold: Pulsed	350 mJ/cm², 200 nano sec. pulse
Damage Threshold: CW laser	40 watts/cm²

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Optometrics