MCG Reports
Comparison of Performance of Alternative Miniature Imagers
(Comparative performance in projection and personal displays)
by Charles McLaughlin | chuck@mcgweb.com | Telephone: 650 323 7155
and Dave Armitage | darmit7644@aol.com
___________________________________________________
List of Figures
Figure 2-1 |
Configuration of Projection Systems |
26 |
Figure 2-2 |
Block Diagram of Projection System |
27 |
Figure 2-3 |
Configuration of Personal Displays |
28 |
Figure 2-4 |
Alternative Configurations for Color |
29 |
Figure 2-5 |
Configuration of 3 Channel Reflective System |
32 |
Figure 2-6 |
MID Diagonal Against Definition |
41 |
Figure 2-7 |
MID Efficiency, current and Limit |
44 |
Figure 2-8 |
Common Optical Design Used for Personal Displays |
53 |
Figure 2-9 |
Required Magnification for Various Imager Sizes |
55 |
Figure 2-10 |
Practical Range of Virtual Image Sizes |
56 |
Figure 2-11 |
MID Angular field Against f/number |
57 |
Figure 2-12 |
MID cost and Size Hurdles |
59 |
Figure 3-1 |
Output Lumens Against Image Quality |
65 |
Figure 4-1 |
Geometrick Efficiency Against MID Diagonal |
72 |
Figure 4-2 |
Projector Output for 100W Metal Halide Lamp |
79 |
Figure 4-3 |
Projector Output for 750W Xenon Lamp |
79 |
Figure 6-1 |
Alternative Technologies for Personal Displays |
102 |
Figure A-1 |
90°Twisted-Nematic Cell |
104 |
Figure A-2 |
Reflecting Nematic Liquid Crystal Cell |
105 |
Figure A-3 |
Ferroelectric Liquid Crystal Cell |
106 |
Figure A-4 |
Transmission PDLC System |
107 |
Figure A-5 |
Digital Mirror Device |
108 |
Figure A-6 |
Deformable Mirror Grating MID |
109 |
Figure A-7 |
Schlieren Optic Readout |
109 |
Figure A-8 |
Grating Light Valve |
111 |
Figure A-9 |
Liquid Crystal Phase Gratings |
112 |
Figure A-10 |
Photoaddress System |
113 |
Figure A-11 |
Electroluminescent MID |
113 |
Figure A-12 |
Field Emission MID |
114 |
Figure B-1 |
Pixel Structure |
117 |
Figure B-2 |
Aperture Overlap Angle for Diffraction out of Aperture |
118 |
Figure B-3 |
Diffraction from Off-State Mirror into projection Aperture |
119 |
Figure C-1 |
Micromechanical Phase Grating |
122 |
Figure C-2 |
Grating Termination |
124 |
Figure C-3 |
Focal Plane mirror Bar Filter and Absorbing Strips |
126 |
Figure C-4 |
Angular Division of Mirror Region |
127 |
Figure C-5 |
Wavelength Dependence of Diffraction Orders |
128 |
Figure D-1 |
Magnification |
137 |
Figure D-2 |
Exit Pupil |
138 |
Figure D-3 |
Object Limited f-Number |
139 |
Figure D-4 |
Two-Stage Magnification |
141 |
Return to the summary - Alternative Miniature Imagers Performance
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