Cryogenic (70K) measurement of an all-composite 2-meter diameter mirror

Proceedings of SPIE-The International Society for Optical Engineering

Volumn 4444, Issue , 2001, Pages 238-255

  Catanzaro, Brian ^a   Connell, Steven ^b   Mimovich, Mark ^b   Backovsky, Stan ^b   Williams, Grant ^b   Thomas, James A ^c   Barber, Dan ^c   Johnston, Roger ^c   Hylton, Joe ^b   Dodson, Kelly ^b   Cohen, Eri ^d  

^a CFE Services   (United States)

^b NORTHROP GRUMMAN CORPORATION   (United States)

^c Light Works Optics   (United States)

^d CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

Composite Materials; Cryogenic Testing; High Spatial Frequency Errors; Lightweight Mirrors; Phase Shifting Interferometer; Quilting; Thermal Shroud; Vacuum Test Chamber; Vibration Measurements

Indexed keywords

CARBON FIBER REINFORCED PLASTICS; CRYOGENICS; ERROR ANALYSIS; INTERFEROMETERS; SPACE TELESCOPES; THERMODYNAMIC STABILITY; VIBRATION MEASUREMENT;

CRYOGENIC MEASUREMENTS;

MIRRORS;

EID: 18644383763     PISSN: 0277786X     EISSN: None     Source Type: Journal    
DOI: 10.1117/12.447305     Document Type: Article

References (5)

1. E.J. Cohen, S.J. Connell, K.J. Dodson, J.L. Abbot, A. Abusafieh, Z. Backovsky, J. Dyer, J. Escobedo-Torres, Z. Friedman, A. Hull, D. Small, P. Thorndyke, and S. Whitmore "Architecture of the FIRST telescope," SPIE Proceedings Vol 4015, March 2000.
2. S.J. Connell, K.J. Dodson, Z. Friedman, B. Catanzaro, S. Whitmore, and E.J. Cohen "Design progression of an all-composite primary mirror for the FIRST Telescope," SPIE Proceedings Vol 4013, March 2000.
3. B. Catanzaro, J.A. Thomas, D. Small, R. Johnston, D. Barber, S. Connell, S.Whitmore, and E.J. Cohen "Optical metrology for testing an all-composite 2-meter diameter mirror," SPIE Proceedings Vol 4444, August 2001.
4. B. Catanzaro, J.A. Thomas, and E.J. Cohen "Comparison of full-aperture interferometry to sub-aperture stitched interferometry for a large diameter fast mirror," SPIE Proceedings Vol 4444, August 2001.
5. B. Catanzaro, J. Thomas, S. Backovsky, D. Barber, D. Small, R. Johnston, and E.J. Cohen "The effects of aberrations (low order and quilting) on the performance of the all-composite design for the Herschel Space Observatory," SPIE Proceedings Vol 4444, August 2001.