Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | German |
| Published: |
Aachen
Apprimus-Verl.
2015
|
| Edition: | 1. Aufl. |
| Series: | Ergebnisse aus der Produktionstechnik
2015,21 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | IX, 137 S. Ill., graph. Darst. |
| ISBN: | 9783863593223 |
Staff View
MARC
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| 245 | 1 | 0 | |a Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics |c Stephan Stürwald |
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Record in the Search Index
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| adam_text | CONTENTS
1. INTRODUCTION 1
2. THEORY 5
2.1. WAVE FRONT MEASUREMENT, 5
2.2. WORKING PRINCIPLE OF A SHAEK-HARTMAUN SENSOR 5
2.3. OPTICAL SENSORS 7
2.3.1. LATERAL EFFECT DIODES 7
2.3.2. CCD AND CMOS SENSORS 8
2.3.3. COMPARISON OF TECHNOLOGIES 8
2.4. MICROMIRROR TECHNOLOGY 9
2.5. DIFFRACTION 11
2.5.1. TRANSMISSION GRATING 12
2.5.2. BLAZED GRATING 13
2.6. NUMERIC RECONSTRUCTION OF COMPLEX WAVEFRONTS 18
2.6.1. NUMERIC PROPAGATION OF COMPLEX OBJECT WAVES 19
2.6.2. ADAPT,ION OF RECONSTRUCTION METHODS 20
RECONSTRUCTION WITH CONSIDERATION OF SPECTRUM 20
2.7. RADON TRANSFORM 23
2.7.1. EXAMPLE 25
2.7.2. APPLICATIONS OF THE RADON TRANSFORM IN IMAGE PROCESSING 25
CENTRAL SECTION THEOREM 25
2.8. HOUGH LINE TRANSFORM 27
3. STATE OF THE ART 29
3.1. MEASUREMENTS OF VARIFOCALS 29
3.2. WAVE FRONT MEASUREMENT 30
3.3. DMD-BA-SED WAVE FRONT SENSOR 31
*3.4. REQUIRED SPECIFICATIONS OF NEW SYSTEM 33
4. DEVELOPMENT OF EXPERIMENTAL SETUP 35
4.1. LIGHT SOURCE 35
4.2. BEAM SHAPING 37
4.3. TEST LENSES 38
4.4. TELESCOPE OPT ICS .39
4.5. COLLIMATING CALIBRATION OPTICS 43
VII
HTTP://D-NB.INFO/107218432X
4.6. DIGITAL MICROMIRROR MATRIX (DMD) 43
4.7. DETECTOR OPTICS 45
4.8. DETECTOR 46
4.9. OPTOMECHANICAL SETUP 46
4.10. CONTROLLING OF HARDWARE 48
4.11. SOFTWARE AND GRAPHICAL USER INTERFACE 50
5. EXPERIMENTAL INVESTIGATIONS AND CHARACTERIZATION OF THE OVERALL
SYSTEM 51
5.1. CHARACTERIZATION OF THE PSD 51
5.1.1. ANALYSIS WITH NANO POSITIONING SYSTEM 51
5.1.2. EVALUATION OF THE MEASUREMENTS AND CALCULATION OF A CORRECTION
POLY
NOMIAL 53
5.2. CHARACTERIZATION OF TELESCOPE 56
5.2.1. MEASUREMENT, OF THE WAVEFRONT ERROR 57
5.2.2. SIMULATION OF THE TELESCOPE WAVEFRONT ERROR 59
5.2.3. SIMULATION OF THE OPTICAL DISTORTION 60
5.3. CHARACTERIZATION OF THE CALIBRATION OPTIC 61
5.4. INVESTIGATIONS ON DMD DIFFRACTION EFFECTS 63
5.4.1. EXPERIMENTAL ANALYSIS WITH A CAMERA 63
5.4.2. MODELING OF THE DMD AS A THREE DIMENSIONAL BLAZED GRATING 65
5.4.3. SIMULATION OF DIFFRACTION EFFECTS 68
5.4.4. EXPERIMENTAL DIFFRACTION EFFICIENCY AS FUNCTION OF WAVELENGTH 71
5.5. MEASUREMENT CHARACTERISTICS OF THE COMPLETE SYSTEM 75
5.5.1. LATERAL RESOLUTION 75
5.5.2. MEASUREMENT SPEED AND LENGTH 77
5.5.3. ERROR COMPENSATION FOR PSD RELATED TO DIFFRACTION PATTERNS 79
5.6. THEORETICAL MEASUREMENT UNCERTAINTY 84
5.7. CALIBRATION OF THE SYSTEM 88
5.8. SAMPLE MEASUREMENT 91
5.9. FOCUS POINT IDENTIFICATION IN DIGITAL IMAGES 94
5.9.1. ALGORITHMS FOR THE FOCUS POINT EVALUATION 95
5.9.2. EVALUATION OF THE ALGORITHMS 98
5.10. COMPENSATION OF DIFFRACTION EFFECTS FOR APPLICATION OF
PSD-DETECTORS 101
5.11. EXPERIMENTAL MEASUREMENT UNCERTAINTY 104
6. SUMMARY 109
7. PROSPECTS 111
8. ACKNOWLEDGEMENTS 113
BIBLIOGRAPHY 117
VIII
A. APPENDIX 123
A.L. CONSTRUCTION SCHEMATICS 123
A.1.1. PHOTOS OF SYSTEM AND OPTICAL SETUP 124
A.1.2. SUPER CONTINUUM LIGHT SOURCE 125
A.1.3. ZERNIKE POLYNOMS 128
A.1.4. FORBES POLYNOMIALS 131
LIST OF FIGURES 135
LIST OF TABLES 139
IX
|
| any_adam_object | 1 |
| author | Stürwald, Stephan |
| author_facet | Stürwald, Stephan |
| author_role | aut |
| author_sort | Stürwald, Stephan |
| author_variant | s s ss |
| building | Verbundindex |
| bvnumber | BV042633959 |
| classification_rvk | ZQ 3910 |
| ctrlnum | (DE-599)BVBBV042633959 |
| discipline | Mess-/Steuerungs-/Regelungs-/Automatisierungstechnik / Mechatronik |
| edition | 1. Aufl. |
| format | Thesis Book |
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| indexdate | 2024-07-10T07:06:23Z |
| institution | BVB |
| isbn | 9783863593223 |
| language | German |
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| publishDate | 2015 |
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| spelling | Stürwald, Stephan Verfasser aut Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics Stephan Stürwald 1. Aufl. Aachen Apprimus-Verl. 2015 IX, 137 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Ergebnisse aus der Produktionstechnik 2015,21 Produktionsqualität und Messtechnik Edition Wissenschaft Apprimus Zugl.: Aachen, Techn. Hochsch., Diss., 2015 Freiformfläche (DE-588)4198736-6 gnd rswk-swf Brillenglas (DE-588)4295054-5 gnd rswk-swf Optische Messung (DE-588)4121429-8 gnd rswk-swf DMD-Chip (DE-588)7851835-0 gnd rswk-swf Hartmann-Sensor (DE-588)4581670-0 gnd rswk-swf Wellenfront (DE-588)4189546-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Brillenglas (DE-588)4295054-5 s Freiformfläche (DE-588)4198736-6 s Wellenfront (DE-588)4189546-0 s Optische Messung (DE-588)4121429-8 s Hartmann-Sensor (DE-588)4581670-0 s DMD-Chip (DE-588)7851835-0 s DE-604 Ergebnisse aus der Produktionstechnik 2015,21 (DE-604)BV023307578 2015,21 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028066476&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Stürwald, Stephan Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics Ergebnisse aus der Produktionstechnik Freiformfläche (DE-588)4198736-6 gnd Brillenglas (DE-588)4295054-5 gnd Optische Messung (DE-588)4121429-8 gnd DMD-Chip (DE-588)7851835-0 gnd Hartmann-Sensor (DE-588)4581670-0 gnd Wellenfront (DE-588)4189546-0 gnd |
| subject_GND | (DE-588)4198736-6 (DE-588)4295054-5 (DE-588)4121429-8 (DE-588)7851835-0 (DE-588)4581670-0 (DE-588)4189546-0 (DE-588)4113937-9 |
| title | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics |
| title_auth | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics |
| title_exact_search | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics |
| title_full | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics Stephan Stürwald |
| title_fullStr | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics Stephan Stürwald |
| title_full_unstemmed | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics Stephan Stürwald |
| title_short | Wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics |
| title_sort | wave front sensor based on digital mirror matrix for functional characterization of freeform ophthalmic optics |
| topic | Freiformfläche (DE-588)4198736-6 gnd Brillenglas (DE-588)4295054-5 gnd Optische Messung (DE-588)4121429-8 gnd DMD-Chip (DE-588)7851835-0 gnd Hartmann-Sensor (DE-588)4581670-0 gnd Wellenfront (DE-588)4189546-0 gnd |
| topic_facet | Freiformfläche Brillenglas Optische Messung DMD-Chip Hartmann-Sensor Wellenfront Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028066476&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV023307578 |
| work_keys_str_mv | AT sturwaldstephan wavefrontsensorbasedondigitalmirrormatrixforfunctionalcharacterizationoffreeformophthalmicoptics |