Unified Optical Scanning Technology

Unified Optical Scanning Technology - Index

Aberration 24, 42, 70, 82

 

uniformly illuminated 20-22,

 

off-axis 77

 

 50-53

Acoustooptic scanner, see Scanning

Architecture 3, 12-18, 108-112, 161

 

devices

 

aperture relaying 111, 112

Aerodynamic effect 42

 

double-pass 74, 75, 109-111

Agile beam steering, see also

 

lens relationships 112

 

Scanning devices xii, 3, 105,

 

objective scan 4, 13, 16, 17

 

128-145, 162

 

postobjective scan 4, 7, 15, 16, 108

Airy disc 21, 22, 77

 

preobjective scan 4, 13-15, 108

Airborne line scanning 61, 62

 

pupil relief distance 8, 14, 69-73,

Amplitude/intensity functions 19-25

 

 84, 108, 155

Analogies xii, 2‚ 3, 19, 20, 27, 87,

Ax-blade scanner 66, 152

 

90-92, 130, 131

Anamorphic optics 10, 112, 150-152

Bandwidth, signal 10, 70, 162

Aperture

Bar code 1

 

clear 23

Beam divergence 11

 

Gaussian illuminated 52, 53

Beam expander/compressor 11, 121

 

keystone 51-53, 68

Beam misplacement 162

 

options 68, 69

 

along-scan error 54-56, 66, 147,
 

overfilled 68, 69, 74-81

 

 148
 

round; elliptic 21, 22, 50, 51, 68

 

banding 147, 148
 

shape factor 22-24, 47, 50-54, 162

 

cross-scan error 54-56, 66,
 

slit 21

 

 147-155, 164
 

square; rectangular 20-22, 50, 68

 

wobble 70, 147
 

triangular 51-53, 68

 

polygon nonuniformities 147
 

underfilled 68, 69, 74-81

 

shaft precision 148

Beam misplacement correction 162

 

blazed grating 139, 142-144, 163

 

active, passive 149

 

surface relief grating 114

 

anamorphic 150-152

 

volume grating 114, 115

 

 original description 151

Duty cycle, see Scanning

 

 quadrature resolution 150

 

 telescopic compression 151

Electromagnetic field

 

 wedge beam 151

 

amplitude 19

 

 zero beam height 151

 

intensity 19

 

Bragg condition 118, 119

Electrooptic, see also Scanning

 

Bragg, holographic 88-92, 149

 

 devices

 

complementary phase 152

 

deflection 124-128

 

double reflection 151-155

 

materials 126, 128, 137-139

 

 butterfly scanner 152, 153

 

modulation 138

 

 open mirror scanners 152, 153

 

phased array 144

 

 pentaprism-mirror scanners 152,

Error components, angular, see also

 

    153

 

Beam misplacement 54-56, 66

 

 porro prism (external) 153, 154

Error propagation 54-56, 162

 

fabrication accuracy 149, 150

Etendue 12

 

start-of-scan (S.OS.) 148

 

synchronous pilot beam 148

Fast steering mirror, see Scanning

Bearing noise 55

 

devices, Oscillatory

Beryllium substrate 93

Fiber optic scanner, see Scanning

Bessel function 21

 

devices

Bow-tie distortion 62

Field of view 62

Fill factor 142,143

Cathode ray tube (CRT) 27

Flux density 20

Chirp deflector, see Scanning devices

Flux lines 20

Classification of scanners 63, 102

F-number of beam 33-36

Collimation 5, 8, 32

Flying spot, see Scanning

Compact disk 1

Focus quality, see Scanning

Comparison of scanners, see

Focal spot, see Point spread function

 

Scanning devices

Fourier function 25, 133

Conjugate image, see also Image 4-9

Frequency signal 19

Convolution function 26, 27

Galvanometer, see Scanning devices,

Depth of field; of focus,see

 

Oscillatory

 

Scanning, quality

Gaussian beam

Design considerations, see Scanning

 

development of 31-34

 

devices

 

focus characteristics 35-37

Diffraction

 

focus, depth of 36, 37

 

Bragg 88, 113-115

 

propagation 31-34

 

efficiency 115, 143

 

waist 31-33

 

ghost spots 15

Gaussian (intensity) function 22-24

 

limit 11

 

1/e2 value 22, 23, 108

Diffractive Optics 85, 95

 

1/e2 to FWHM relationship 24

 

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