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NEW 9-Inch CGH

Large format precision reference for snapshot metrology of large convex optics

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A computer-generated hologram (CGH) with alignment patterns shines rainbows of light reflected from a convex optic metrology system

For more than a decade…

You’ve known AOM as a computer-generated hologram (CGH) supplier for the world’s most challenging optical engineering projects.

Today, we aim to bring CGH technology to a broader set of optics and photonics applications. Complex optics are used more widely than ever before – and at levels of precision and production volumes that seemed impossible just a few years ago. The challenges that these applications face are on par with the biggest space telescope projects of the past, but with a fraction of the budget and extremely tight timelines to complete.

For a new generation of optics fabrication challenges,

AOM is Your Optical Metrology Partner.

 

1969

The CGH is Realized

A synthetic hologram is realized by J. Pastor as a replacement to an optically generated hologram in his study of holographic interferometry.

1972

Foundations

Jim Wyant’s work on computer-generated hologram testing is the origin of CGHs for interferometric null testing of aspheres.

1985

Practical Use

Steve Arnold publishes a method for CGH grating fabrication using e-beam lithography, kicking off practical use of CGHs for interferometric testing.

1995

Commercial Availability

Steve Arnold founds Diffraction International making CGHs available to optics fabricators around the world.

1996

Necessity Drives Invention

Dr. Jim Burge develops the equipment for and fabricates the largest CGHs in the world, the largest measuring 1.8 m, enabling large convex telescope mirror fabrication for a series of important research telescopes.

2006

CGH Solves Tough Challenge

Drs. Chunyu Zhao and Jim Burge design the test system for the GMT (Giant Magellan Telescope) primary mirror segments. The null test set consisted of a 4 m fold sphere, a 0.75m fold sphere, and a CGH.

2009

AOM Founded

Drs. Chunyu Zhao and Jim Burge form AOM to commercialize the unique metrology solutions that they had developed at The University of Arizona.

2010

World-Class Performance

AOM designs and fabricates a system alignment and calibration test CGH for the James Webb Space Telescope, Diffraction International supplies the primary mirror test CGHs.

2014

TMT Metrology

AOM produces prototype CGHs and final mirror segment test CGHs for the Thirty Meter Telescope (TMT) supporting feasibility of the telescope concept and early design.

2016

Enabling Big-Science

AOM produces CGHs for the LSST camera lenses, the largest camera on earth, supporting the optical system fabrication and alignment.

Nov 2020

Headquarters Opens

AOM opens a new headquarters in Tucson, AZ supporting increased CGH production volume, new R&D facilities, and new optomechanics products.

Jan 2022

More than CGHs

AOM opens an office in Rochester, NY, and initiates the Metrology Systems division, supporting metrology systems design and fabrication taking CGH metrology into new applications in optics production.

Nov 2022

1,000th CGH Shipped

Marking a milestone and solidifying CGH metrology as a standard in the optics industry.

Testimonials

“We are totally satisfied by the collaboration with AOM. You’ve always been extremely helpful in assisting us during the design phase and extremely efficient in the delivery of the CGHs .”

Massimiliano Rossi
Media Lario

“We are totally satisfied by the collaboration with AOM. You’ve always been extremely helpful in assisting us during the design phase and extremely efficient in the delivery of the CGHs.”

Massimiliano Rossi
“We are extremely impressed with the level of knowledge and support we get when ordering CGHs. AOM responds quickly to our requests with a level of professionalism that gives us great confidence in their product .”
Kevin Young
Precision Asphere, Inc.
“We are extremely impressed with the level of knowledge and support we get when ordering CGHs.  AOM responds quickly to our requests with a level of professionalism that gives us great confidence in their product.”
Kevin Young
“AOM is a company that can deliver exactly the metrology solution needed for your complex optical surfaces .”
Michael Bell
Aperture Optical Sciences, Inc.
“AOM is a company that can deliver exactly the metrology solution needed for your complex optical surfaces.”
Michael Bell
“Not only has Arizona Optical Metrology provided excellent products over the years, the support and advice provided on testing setups has been invaluable .”
Dijana Bogunovic
KiwiStar Optics
“Not only has Arizona Optical Metrology provided excellent products over the years, the support and advice provided on testing setups has been invaluable.”
Dijana Bogunovic

OUR CUSTOMERS

A sample of successful partnerships

II-VI
4D
603OPTX
AMOS
ApertureOS
Apre
ClerioVision
Coherent
Control Optics
Edmund Optics
EnableKK
Green Optics
KEOC
Kiwistar
MKS Newport
Nu-Tek
Officina Stellare
Optical Perspectives Group
Optimax
QED Optics
QuantumDesign
UA Richard F Caris Mirror Lab
Shine Optics
WizOptics
UA Wyant College of Optical Sciences
Zygo

Products

Rainbows reflections on an AOM 9-inch computer-generated hologram (CGH) and a convex even asphere optic in front of an interferometer

Metrology Systems

Comprehensive test setups and turnkey metrology solutions ranging from volume optics production to high-value one-off optics.

Explore Metrology Systems

Custom CGHs

Precision custom metrology references for complex optical surfaces and wavefront tests.

Custom CGHs

Cylinder CGHs

Standard products to measure cylinder optics over the full aperture in high resolution.

Cylinder CGHs

Optomechanics

Standard and custom products for precision positioning and alignment.

Optomechanics

NEWS

Meet Christine: AOM’s New Applications Engineer

Meet Christine: AOM’s New Applications Engineer

AOM welcomes Dr. Christine Muccianti as our new Applications Engineer! Christine brings a wealth of experience from her innovative PhD research at The University of Arizona, specializing in the optical properties of 2D materials and their applications in technologies....

Welcome to the NEW aom.us!

Welcome to the NEW aom.us!

We are excited to announce the launch of our brand new web domain - aom.us!  Short and sweet, just like a good testing protocol. 😊 With the new domain, we've completely redesigned the web experience and added lots of information about our unique products and services,...

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