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EEV CCD39 wavefront sensor cameras for AO and interferometry

EEV CCD39 wavefront sensor cameras for AO and interferometry. Emory University, Department of Physics Ray DuVarney*. * has a financial interest in SciMeasure Analytical Systems, Inc. SciMeasure Analytical Systems, Inc. Ray DuVarney, Charlie Bleau, Garry Motter.

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EEV CCD39 wavefront sensor cameras for AO and interferometry

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  1. EEV CCD39 wavefront sensor cameras for AO and interferometry Emory University, Department of Physics Ray DuVarney* * has a financial interest in SciMeasure Analytical Systems, Inc. SciMeasure Analytical Systems, Inc. Ray DuVarney, Charlie Bleau, Garry Motter NASA/JPL, Interferometry Systems Group Rich Dekany, Mitch Troy, Gary Brack, Thang Kieu, Dean Palmer NASA/JPL, Interferometry Metrology Group Stuart Shaklan, Andy Kuhnert

  2. Camera System Overview RS-170 Video Data Out 4 12-bit Data Ports Overflow/handshake Port (SOF/SOL/DRDY) SEQUENCER RS-232 Control FIBER COMM & DATA REALTIME DISPLAY GRAPHICS DISPLAY Halt Signal VIDEO OVERLAY DATA CAPTURE Stopped Status Camera Control Unit 1.2 Ghz Bi-directional Control/data Fiber-optic Link Clocks +5V DIGITAL CLOCK DRIVERS PREAMPLIFIER Biases ±12V ANALOG FIBER COMM & DATA CCD TEC +24V ANALOG ANALOG PROCESSOR CCD Enclosure Power Supply Video Camera Head

  3. Sequencer ISA Bus Inter-face Address Bus Data Bus 15 15 15 8 8 8 8 Programs Subroutines Patterns 24 Addr Mux 32K Static RAM Data Mux Addr Mux 32K Static RAM Data Mux Addr Mux 32K Static RAM Data Mux Data O/P Ext. Select & Sync 4-3 7-3 7-3 8-bit 8-bit 32-bit 11-12 8-12 8-12 Address Generator Address Generator Address Generator 50 MHz Clock

  4. Sequencer Programming Patterns Programs define pattern read_pixel; # # t = /turbo, c = /clamp, S = sample, V = *DCAV # RG IA BS OR xxx t c S CCCC FV xx # 123 123 123 0123 0 010 010 010 000 0 1 0 1111 01 00; # 0 010 010 010 000 0 1 0 1111 01 00; # 1 010 010 010 000 0 1 0 1111 01 00; # 0 010 010 010 000 0 1 0 1111 01 00; # 0 010 010 010 000 0 0 0 1111 01 00; # 0 010 010 010 000 1 0 1 1111 01 00; # 0 010 010 010 000 1 0 1 1111 01 00; # 0 010 010 010 000 1 0 1 1111 01 00; # 0 010 010 001 000 1 0 1 0000 01 00; # 0 010 010 001 000 1 0 1 0011 01 00; # 0 010 010 001 000 1 0 1 1000 01 00; # 0 010 010 001 000 0 0 1 0100 01 00; # 0 010 010 001 000 0 0 1 1100 01 00; # 0 010 010 001 000 0 0 1 0010 01 00; # 0 010 010 001 000 0 0 1 1010 01 00; # 0 010 010 100 000 0 0 1 0110 01 00; # 0 010 010 100 000 0 0 1 1111 01 00; # 0 010 010 100 000 0 0 0 1111 01 00; # 0 010 010 100 000 0 1 0 1111 01 00; # 0 010 010 100 000 0 1 0 1111 01 00; # 0 010 010 100 000 0 1 0 1111 01 00; # 0 010 010 100 000 0 1 0 1111 01 00; # 0 010 010 100 000 0 1 0 1111 01 00; # 0 010 010 100 000 0 1 0 1111 01 00; # end define; define program 0; # 1100 Hz Nominal subroutine start_of_frame; repeat 32; subroutine read_line; end repeat; repeat 2; subroutine integrate; end repeat; end define; Subroutines define subroutine read_line; pattern send_start_of_line 1; pattern shift_line 1; pattern wait 10; pattern shift_pixel 17; pattern read_pixel 32; end define;

  5. Analog Processor 1 of 4 channels Turbo HIGH SPEED SHUNT 2 Filter 2 Gain TIME CONST. 1 of 4 GAIN 1 of 4 Video A/D Data 75 ohms Clamp CLAMP 8 Offset OFFSET Sample

  6. Control Panel

  7. Camera Performance EEV CCD39 - 64x64 pixel frame size - Read Noise calculated from Photon Transfer curve MIT/LL CCID19 achieved 5.9 e- @ 1.1 Mpix/sec/port and 600 frames/sec

  8. Palomar AO System

  9. Palomar AO System

  10. PALAO Results QS Aql (HR 7486) Binary Star with 0.185" Separation AO Loop Open FWHM = 1.2" AO Loop Closed FWHM = 0.097" (Strehl = 20%)

  11. MAM Vacuum Tank

  12. MAM Vacuum Tank

  13. Control Panel

  14. Future Camera Overview I DATA OUTPUT FIBER COMM/DEMUX Data Out/Handshake 16-bit Data Ports SOF/SOL/DRDY RS-232 Control CONTROLLER/SEQUENCER Halt Signal Stopped Status Control Unit 160 mm 3U cards 1.2 Ghz Bi-directional Control/data Fiber-optic Link POWER/BIASES Clocks CLOCK DRIVERS PREAMPLIFIER FIBER COMM/MUX Biases Power Supply CCD ANALOG PROCESSOR(S) 12, 14 or 16-bit options TEC CCD Enclosure Video Camera Head 160 mm 3U cards

  15. Future Camera Overview II RS-232 Control DATA OUTPUT Halt Signal CONTROLLER/SEQUENCER Stopped Status Clocks POWER/BIASES 16-bit Data Ports & SOF/SOL/DRDY PREAMPLIFIER CLOCK DRIVERS Biases CCD ANALOG PROCESSOR(S) 12, 14 or 16-bit options TEC CCD Enclosure Video Power Supply Camera Head 160 mm 3U cards

  16. Acknowledgements • SBIR Phase I Grant NAS8-97195 • SBIR Phase II Grant NAS8-98081 • Horace Dale - Physics Dept, Emory University • Betty Motter - SciMeasure • Part of the research described herein was carried out at the Jet Propulsion Laboratory, under a contract with the National Aeronautics and Space Administration

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