Headwall Photonics - Wavelength Solutions with Application-Specific Performance - Products - Original Holographic Diffraction Gratings

PHOTONICS

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	Products Overview Hyperspectral Raman Spectrographs Gratings Design Services

Downloads:
	Headwall Corporate Overview
Datasheets (.pdf)
	Hyperspec-VNIR™ and Hyperspec-NIR™
	Hyperspec-VNIR™
	Hyperspec-NIR™
	Hyperspec SWIR™
	Micro-Hyperspec™
	Hyperspec Starter Kit™
	Raman Explorer™ 785,632,532,532/658
	Raman Discovery™
Application Notes
	Dispersive Raman Imaging
	Spectral Solutions for Analytical and Life Sciences Applications
	Spectral Solutions for Telecommunications Applications
	Hyperspectral Imaging For Pharmaceutical Manufacturing Applications

Gratings

Original Holographic Diffraction Gratings
Headwall Photonics, Inc. has the history and leadership as a OEM supplier of original holographic diffraction gratings for multiple applications. Our gratings include planar, aberration-corrected concave/convex, and Rowland Circle designs. Our markets include telecommunications, spectroscopy, colorimetry, biomedical, and other analytical applications.

Headwall Photonics, Inc. has proven that the highest performance diffraction gratings cannot be manufactured with "replication" techniques, so we have continuously refined our process to deliver only "original" gratings, making us the only company in the world that can make this statement.

The original grating manufacturing technique can accurately create the groove profiles necessary for high efficiency and low PDL. Other grating manufacturing techniques that involve replication cannot reproducibly create the subtle groove profiles required for high performance. The result of our original technology is efficiencies in excess of 90% on our High Efficiency / Low Loss designs and PDL as low as a few tenths of a dB on our LPDL designs.

The holographic original technique permits the recording of gratings on concave and convex surfaces. We pioneered the development of aberration-corrected concave gratings and continue to refine our designs to deliver the highest performance. We believe this technology will enable the future evolution of designs that are simpler and less expensive, without compromising performance.

Key Benefits of "Original Grating Technology"

Accurate Profile Recording - High Efficiency and Low PDL

Environmentally Stable Materials - Telcordia compliant

Very Low Stray Light - Enhanced spectral fidelity and low cross-talk

Designs for Telecommunications		Designs for Spectroscopy

Low PDL 1100 -		Littman-Metcalf -
Low PDL 900 -		Aberration-Corrected Concave/Convex -
Low PDL 600 -		Rowland Circle
High Efficiency / Low Loss -
Headwall Gratings Exceed GR-1221 Telcordia Compliance -

"We feel that the industry needs technology providers that can deliver advanced optical solutions to meet specific application requirements. With their unique capabilities and processes, Headwall is strongly positioned to do this."

Kenn Wildnauer
Business Technology Manager
Agilent Technologies

Click Here for Rapid Prototyping With Standard Substrate Sizes.

Headwall Photonics, Inc's quality management system is ISO 9001:2000 certified, an internationally recognized standard.

Press Releases
January 2008 - New Hyperspectral Sensors Target UV and Color Appearance Applications
November 2007 - Headwall Awarded US Army Night Vision Contract to Supply Micro-Hyperspec™ Imaging Sensors

In The News
Miniature Hyperspectral Sensors for Imaging on Small UAVs
Defense Tech Briefs
June 2007

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