Reports and Technical Notes
1. Giant Optical Devices. Jerry Nelson and Terry Mast, Proceedings of the Backaskog Workshop of Extremely Large Telescopes, Anderson, T. ed, pp1-11, June 1999, Lund University and ESO [ PDF ]
2. CELT Project Plan, (February, 2000) [PDF]
3. Design Concepts for the California Extremely Large Telescope (CELT). J. E. Nelson, Proceedings of the SPIE, 4004, 2000. [ PDF ]
4. Design Considerations for CELT Adaptive Optics. R. G. Dekany, J. E. Nelson, and B. Bauman, Proceedings of the SPIE, 4003, 2000. [ Postscript ]
5. Primary Mirror Segment Fabrication for CELT. Terry S. Mast, Jerry E. Nelson, and Gary Sommargren, Proceedings of the SPIE, 4003, 2000. [ PDF]
6. Segmented Mirror Control System Hardware for CELT. Terry S. Mast and Jerry E. Nelson, Proceedings of the SPIE, 4003, 2000. [ PDF ]
7. Design Issues for the Active Control System of the California Extremely Large Telescope (CELT). Chanan, G., Nelson, J., Ohara, C. and Sirko, E., Proceedings of the SPIE, 4004, 2000. [ PDF | MS Word ]
8. Phasing the Primary Mirror Segments of the Keck Telescopes: A Comparison of Different Techniques. Chanan, G. A., Troy, M. and Ohara, C., 2000. [ HTML | PDF | Postscript ]
9. CELT Conceptual Design Plan. Jerry E. Nelson, Terry S. Mast, Gary A. Chanan, R. G. Dekany. [ MS Word ]
10. CELT Error Budgets (in progress). Terry S. Mast and Jerry E. Nelson
11. Planetary Stressed Mirror Polishing for CELT (in progress). Terry S. Mast and Jerry E. Nelson
12. Quarterly Report #1, (September
1 - November 30, 2000). Terry S. Mast and Jerry E. Nelson
General report, 1 of 2: [
PDF | MS
Word]; CELT IWG, 2 of 2: [ PDF
| MS Word]
13. CELT Requirements, Jerry E. Nelson, March 2001. [ PDF | MS Word]
14. Quarterly Report #2, (December
1, 2000 - February 28, 2001). Terry S. Mast and Jerry E. Nelson
General report, 1 of 2: [ PDF
| MS Word]; CELT IWG, 2 of
2: [ PDF | MS
Word]
15. Summary of the CELT Mirror Segment Actuator Survey. Alan Schier (February 2001) [ PDF | MS Word| Powerpoint]
16. Concept Design Report-Mirror Segment Support System-California Extremely Large Telescope. Steve Gunnels (March 2001) **Note: The html version includes the figures and CAD drawings at the end. If you are using the PDF or Word formats and want to view the figures and drawings, click here** [ PDF | MS Word | HTML]
17. Quarterly Report #3, (March
1, 2001 - May 31, 2001). Terry S. Mast and Jerry E. Nelson
General report [ PDF | MS
Word]
18. Primary Mirror Actuators: Phase 1 Study Report. Lorrell and Aubrun (August 2001) [PDF]
19. The MTHR Spectrometer: Conceptual Design Study. Steven S. Vogt (September 2001)
20. Surface Figure Metrology for CELT Primary Mirror Segments. Sommargren, Phillion, Seppala, and Lerner (February 2001) [PDF]
21. Thirty-Meter CELT Telescope Drives, Bearings, and Encoder Study. Vertex/RSI (October 2001)
22. The Tertiary Mirror Equations of Motion of an "off-altitude-axis." Mike Kuhlen (April 2001) [PDF]
23. CELT Buildings, Telescope Enclosure, and Facilities. Tytler and Nelson (November 2001)
24. Optical Design Issues for 30-m Class Multi-conjugate Adaptive Optics. Bauman and Dekaney
25. The Structure Supporting a Cluster of Segments of the Primary Mirror of CELT. Stefan Medwadowski (June 2001)
26. The Structure of the Tube of the CELT Telescope. Stefan Medwadowski (June 2001)
27. CELT Tube Structure with Upper Tube in the Form of a Tripod-on- Hexagon. Stefan Medwadowski (August 2001)
28. CELT Tube Structure, Final Conceptual Design. Stefan Medwadowski (December 2001) [PDF]
29. CELT Yoke Structure, Final Conceptual Design. Stefan Medwadowski (January 2002)
30. CELT Structure (Tube on Yoke), Final Conceptual Design. Stefan Medwadowski (January 2002)
31. Configuration Options for CELT. Meinel and Meinel (September 2000)
32. Adaptive Optics Development Plan. Rich Dekany (March 2002) [PDF]
34. Conceptual Design for a 30-Meter Telescope. J. Nelson and T. Mast, ed. (June 2002) [PDF]
35. Implementation Plan for a 30-Meter Telescope. J. Nelson and T. Mast, ed. (June 2002) [PDF]
36. CELT Science Priorities, M. Bolte and C. Steidel (December 2002) [PDF]
37. Progress on the California Extremely Large Telescope. J. Nelson (September 2002) [PDF]
38. CELT Optics and Alignment Procedure. T. Mast, J. Nelson, G. Chanan, L. Noethe (September 2002) [PDF]
39. Design and Preliminary Test of a Precision Segment Positioning Actuator for CELT Primary Mirror. K. Lorell, et al. (September 2002) [PDF]
40. Control of the California Extremely Large Telescope Primary Mirror. D. MacMartin, G. Chanan (September 2002) [PDF]
41. CELT Site Testing Program. M. Schoeck, et al. (September 2002) [PDF] (Screen version of this document is not good for reading -- please print!)
42. Wavefront Curvature Sensing on Highly Segmented Telescopes. G. Chanan (September 2002) [PDF]
1. Deformable Mirror Fitting Errors for Zernike Aberrations in an Array of Hexagons, Terry Mast and Jerry Nelson (November 2000, in progress)
2. The Gemini active-optics wavefront sensors - guidelines for the CELT telescope-control wavefront sensor, Matthias Schoeck and Gary Chanan (October 2000) [ PDF | CCD47 specs (pdf) | CCD39 specs (pdf)]
3. How Well Can the CELT Primary Approximate a Parabola? Jerry Nelson (March 2001) [ PDF | MS Word]
4. Requirements for CELT Bearings, Drives, Encoders, Jerry Nelson (March 2001) [ PDF | MS Word]
5. CELT Segment Positioning Actuators - Requirements, Jerry Nelson (March 2001) [ PDF | MS Word]
6. Warping Harnesses for CELT, Terry Mast and Jerry Nelson (March 2001) [MS Word]
7. Concepts for a Planetary Stressed Mirror Polishing Fixture. L. Laiterman (2001)
8. Finite-Element Modeling of a Planetary Stressed Mirror Polishing Fixture. J. Cabak (2001)
9. A Differential, Tilt-Independent Displacement Sensor for the CELT Mirror. S. Padin (August 2001) [PDF]
10. A Telescope with an Active Corrector. S. Padin (November 2001)
11. Sensor Noise Propagation for CELT: Control Algorithm Analysis. D. MacMatrin (August 2001) [PDF]
12. System Modeling. Baldry and Taylor (2001)
13. Large Aperture Fast Cameras. K. Taylor (2001)
14. RSC Document. IWG (2001)
15. Fibers for CELT. K. Taylor (2001)
16. Fiber Aperture Choices for CELT. K. Taylor (2001)
17. Fiber Positioner. IWG (2001)
18. Slicer-Based dIFU Spectrograph. K. Taylor (2001)
19. 2MfR. Jones and Taylor (2001)
20. CHRS and MTHR. S. Vogt (2001)
21. IFUs for Palomar. K. Taylor (2001)
22. Integration Time Comparison for Several Mid0IR Configuration Options. R. Dekany (2001)
23. High-Contast Adaptive Optics for CELT. Macintosh (2001)
24. Aberrations Due to Wind-Induced Secondary Decenter in CELT. Padin and MacMartin (August 2001) [PDF]
25. Preliminary Draft Input on IR Sensors. Rockwell Science Center (2002)
26. Mauna Kea Site Evaluation Plan. M. Schoeck (July 2001)
27. Correcting Wind Deformations in a Segmented Mirror. S. Padin (October 2001)http://www.opticsinfobase.org