Search Resources
Newest Articles
Recently Updated Articles
CAD Model downloads of AOM standard products
CAD Models: CGHs
CAD Models: Stages
CAD Models: Accessories
Drawings and Data Sheets for AOM Standard Products
- Customer Drawing: MP6-BLANK_A
- Customer Drawing: MP3-BLANK_A
- Customer Drawing: VRT-050_A
- Customer Drawing: CRT-050_A
- Customer Drawing: C6AC3_A
- Customer Drawing: C6R_A
- Customer Drawing: FP9-H600_A
- Customer Drawing: FP6-H600_B
- Customer Drawing: FP6-H425_B
Documentation: Datasheets
- About Morpheus and Installation
- 1. Preparing Metrology Measurements for Morpheus™
- 2. Loading Data into Morpheus™
- 3. Processing the Data in Morpheus™
- 4. Substrate Correction
A collection of published journal articles, conference proceedings, dissertations, webinars, and other presentations by AOM's metrology experts and associated scholars.
Publications and links
- [2025] Metrology for efficient assembly, integration, and testing of space telescopes
- [2025] Rethinking alignment for systems that incorporate freeform optics
- [2025] Parametric relations for coupling wavefront measurements, mechanical misalignment, and operational performance for imaging systems
- [2025] Kinematic interfaces for freeform optics for efficient manufacture, test, and system assembly
- [2025] Applications of computer generated holograms for measuring X-ray and EUV optics
- [2023] New Applications of Computer Generated Holograms for Optical Testing
- [2023] Rapid surface metrology of freeform shapes using CGH interferometry
- [2022] Snapshot measurements with CGH interferometry to support volume production of freeform optics
- [2022] Computer generated hologram (CGH) education kit for hands-on learning of optical metrology for complex optics and systems
- [2022] CGH-assisted metrology testbed for the Thirty Meter Telescope primary mirror
- [2021] Metrology Testbed for the Thirty Meter Telescope Primary Mirror
- [2019] Interferometric Metrology for the TMT Primary Mirror Segments: Design and Analysis
- [2018] Infrared computer-generated holograms: design and application for the WFIRST grism using wavelength-tuning interferometry
- [2016] Optical Alignment with CGH Phase References
- [2014] Precision Alignment And Calibration Of Optical Systems Using Computer Generated Holograms
- [2014] Diffractive optics calibrator: measurement of etching variations for binary computer-generated holograms
- [2013] Optical testing with computer generated holograms: comprehensive error analysis
- [2013] Design and analysis of an alignment procedure using computer-generated holograms
- [2011] Low uncertainty alignment procedure using computer generated holograms
- [2010] Imaging issues for interferometry with CGH null correctors
- [2010] Measurement of aspheric mirror segments using Fizeau interferometry with CGH correction
- [2009] Fizeau interferometer with spherical reference and CGH correction for measuring large convex aspheres
- [2007] Fabrication error analysis and experimental demonstration for computer-generated holograms
- [2007] Optical alignment with computer-generated holograms
- [2007] Optimal design of computer-generated holograms to minimize sensitivity to fabrication errors
- [2007] Coupling of surface roughness to the performance of computer-generated holograms
- [2006] Analysis of phase sensitivity for binary computer-generated holograms
- [2006] Absolute calibration of null correctors using twin computer-generated holograms
- [2006] Use of computer generated holograms for alignment of complex null correctors
- [2005] Testing an off-axis parabola with a CGH and a spherical mirror as null lens
- [2004] Efficient testing of segmented aspherical mirrors by use of reference plate and computer-generated holograms. I. Theory and system optimization
- [2004] Efficient testing of segmented aspherical mirrors by use of a reference plate and computer-generated holograms. II. Case study, error analysis, and experimental validation
- [1999] Efficient testing of off-axis aspheres with test plates and computer-generated holograms
- [1999] Error analysis for CGH optical testing
- [1999] Diffraction wavefront analysis of computer-generated holograms
- [1995] Applications of computer-generated holograms for interferometric measurement of large aspheric optics
Webinars and Presentations
Quick answers to your pressing metrology questions!
Fundamental FAQs
- What is a CGH (Computer-Generated Hologram)?
- How are CGHs used?
- What is a "null"?
- What is a "UUT"?
- How is a CGH mounted and adjusted?
- What types of surfaces can be measured using a CGH?
- What is the typical accuracy of a CGH?
Advanced FAQs
Tech notes to learn more about metrology techniques, CGHs, alignment, data analysis, and more!
How-to basics
Step-by-step guides on how to align a CGH test.
Technologies
Optical alignment technologies and capabilities
Individual alignment pattern methods and components
Precision optical alignment techniques for advanced telescopes and optical systems