eev ccd39 wavefront sensor cameras for ao and interferometry
DESCRIPTION
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. - PowerPoint PPT PresentationTRANSCRIPT
EEV CCD39 wavefront sensor cameras for AO and interferometry
SciMeasure Analytical Systems, Inc.Ray DuVarney, Charlie Bleau, Garry Motter
Emory University, Department of PhysicsRay DuVarney*
NASA/JPL, Interferometry Systems GroupRich Dekany, Mitch Troy, Gary Brack,
Thang Kieu, Dean Palmer
* has a financial interest in SciMeasure Analytical Systems, Inc.
NASA/JPL, Interferometry Metrology GroupStuart Shaklan, Andy Kuhnert
Camera System Overview
Camera Control Unit
Power Supply
Camera Head
CCD Enclosure
Clocks
Biases
TEC
Video
1.2 Ghz Bi-directional Control/data Fiber-optic Link
RS-232 Control
Halt Signal
RS-170 Video
Data Out
4 12-bit Data Ports
Overflow/handshake Port (SOF/SOL/DRDY)
Stopped Status
FIBER COMM & DATA
REALTIME DISPLAY
GRAPHICS DISPLAY
VIDEO OVERLAY
DATA CAPTURE
SEQUENCER
+5V DIGITAL
±12V ANALOG
+24V ANALOG
CLOCK DRIVERS
FIBER COMM & DATA
ANALOG PROCESSOR
PREAMPLIFIER
CCD
4-3
Sequencer
Address Bus
Data Bus
Programs Subroutines Patterns
11-12 8-12 8-12
15 15 158 8
24
8
8-bit 8-bit 32-bit
8
7-3 7-3
Address Generator
Addr
Mux
32K
Static
RAM
Data
Mux
Addr
Mux
32K
Static
RAM
Data
Mux
Addr
Mux
32K
Static
RAM
Data
Mux
Address Generator
50 MHz Clock
ISA Bus Inter-face
Data
O/P
Address Generator
Ext.Select & Sync
Sequencer Programming
Programs
Subroutines
Patterns
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;
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;
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;
Analog Processor
8
2
2
Sample
Offset
Clamp
VideoGain
Filter
Turbo
Data
1 of 4 channels
75 ohms
HIGH SPEED SHUNT
TIME CONST. 1 of 4
GAIN 1 of 4
CLAMP
OFFSET
A/D
Control Panel
Noise(e-)
Pixel Rate(/sec/port)
Frame Rate(/sec)
3.0 @ 80 kpix 50
3.5 @ 178 kpix 110
5.9 @ 1.14 Mpix 550
7.5 @ 2.00 Mpix 1100
Camera Performance
EEV CCD39 - 64x64 pixel frame size - Read Noise calculated from Photon Transfer curveMIT/LL CCID19 achieved 5.9 e- @ 1.1 Mpix/sec/port and 600 frames/sec
Palomar AO System
OAP2
OAP1
FSM
PHARO
(NEAR-IR
SCIENCE
CAMERA)
FM1
SSM1 (dichr.)SSM2
WFS CAM
DM
LA FS
ADC
FM3
FM2
ACQ CAM
Palomar AO System
PALAO Results
AO Loop Open FWHM = 1.2"
AO Loop Closed FWHM = 0.097" (Strehl = 20%)
QS Aql (HR 7486) Binary Star
with 0.185"
Separation
MAM Vacuum Tank
MAM Vacuum Tank
IIPS MAM Interferometer
CCD
MAM Vacuum Tank
Control Panel
Future Camera Overview I
Control Unit
Power Supply
Camera Head
CCD Enclosure
Clocks
Biases
TEC
Video
1.2 Ghz Bi-directional Control/data Fiber-optic Link
RS-232 Control
Halt Signal
Data Out/Handshake
16-bit Data Ports
SOF/SOL/DRDYStopped Status
FIBER COMM/DEMUX
POWER/BIASES
CONTROLLER/SEQUENCER
CLOCK DRIVERS
FIBER COMM/MUX
ANALOG PROCESSOR(S)
12, 14 or 16-bit options
PREAMPLIFIER
CCD
160 mm 3U cards
160 mm 3U cards
DATA OUTPUT
Future Camera Overview II
Power SupplyCamera Head
CCD Enclosure
Clocks
Biases
TEC
Video
RS-232 Control
Halt Signal
16-bit Data Ports &
SOF/SOL/DRDY
Stopped StatusPOWER/BIASES
CONTROLLER/SEQUENCER
CLOCK DRIVERS
ANALOG PROCESSOR(S)
12, 14 or 16-bit options
PREAMPLIFIER
CCD
160 mm 3U cards
DATA OUTPUT
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