My Cv In Slides 06 02 09
- 1. Skills and Experience Optical System Design and Analysis Programming Innovations 1 SM
- 2. 29 issued US patents Mini TIR prism configuration Pending •Licensing programs developed •Hollow Light Tunnel (HLT) in 2001 •Transitioned from exclusive to non-exclusive in 2005 •TIR Prism in 2005 •Majority of royalties derived from settlements • $9.7 MM in OI generated since inception • $8.1 MM over last four years (“Equivalent sales” at 20% OI ~ $50 million) 2 SM
- 3. Design RPTV Optical Engines based on 3M Vikuiti Core xThree aspherical glass lenses xNo mirror in red channel xTotal dichroics area is 37 cm2 Equal optical path in all three channels Red/Cyan dichroic has AOI=32° No aspherical optics xTotal dichroic area is 34 cm2 xFootprint is the problem No aspherical lenses Two identical fold mirrors with aspherical reflective surfaces Total dichroic area is 24 cm2 3 SM
- 4. Design Optical Engine for Micro Projector PBS LCoS 25x16x8 mm Projection lens 25 mm depth = 8.0 mm 18 mm Fold mirror LED with extracting lens and hollow integrator QWP with reflective polarizer Geometrical Collection Efficiency is etendue limited 4 SM
- 5. Design & Analysis Micro Projector Illumination System Performance Geometrical collection efficiency is ~96% of etendue limitation Overscan and illuminance uniformity Color uniformity vs. pipe length 3 mm 2 mm 1 mm 5 SM
- 6. Design Polarization Color Combiner S-polarization Polarization Recycling P-polarization Random or circular 22.65 mm polarization Blue LED Circular polarization mirror Measured efficiency: ~25% QWP@45° Red LED 23.1 mm Footprint 120 x 43 x 128 mm mirror Green/Magenta ColorSelect Filter QWP@45° Blue/Red ColorSelect Filter Green LED 6 SM
- 7. Veiling Glare Design Technique and Programming To compute and visualize criteria for mechanical design without reflection from internal non-optical surfaces Imager space Screen space Surface invisible from Surface invisible from screen space imager space 7 SM
- 8. Veiling Glare Design Technique and Programming Working screen Computed data (preview) Tabular and/or graphical user interface to visualize complicate geometry 8 SM
- 9. Rainbow Programming Orthodontic 3D camera uses photographic color slide with required density distribution Non-linear response of photographic film is the challenge! 9 SM
- 10. Design Technique and Programming Opto-Mechanical Sensitivity Optomechanical Sensitivity and Tolerancing. SPIE Vol. 3786, pp. 220-228, 1999 Illustration of conceptual approach for clearance (one of 13 possible primary errors) clearance Datum axis Element axis Element c1 c2 Element axis axis Nominal Vertical Rotation around c1 - Rotation around c2 - position displacement center of curvature center of curvature of left surface of right surface - contact with the barrel - retainer Fig. 2 Clearance effect on position of optical element for various mechanical layouts 10 SM
- 11. Opto-Mechanical Sensitivity Design Technique and Programming A few examples of UI 11 SM
- 12. Opto-Mechanical Sensitivity Design Technique and Programming Visualization of computed result (WYGWYS) 12 SM
- 13. Programming for LightTools LightTools Hardcopy Output to print all LT model content 13 SM
- 14. Programming for LightTools LightTools Illuminance Mesh (to visualize and calculate light patch overlapping over the target) 14 SM
- 15. LightTools Menu Programming for LightTools floating menu with child hierarchy to save screen real estate and to avoid blind menu items Monitor resolution: 1280 x 1024 Monitor resolution:1024 x 768 20% (!) 15% (!) missing Items (!!) Developed floating always-on-top menu with two formats which are available at run-time 15 SM
- 16. Programming for Solid Works Solar Concentrator Shown geometry does not represent real design and used for illustration of Solid Works macro output only. 16 SM
- 17. Example of LED-based Luminare Design for General Illumination for Uniform Light Intensity Luminance Distribution at 7.5 meters away Refractive component Reflective component (PMMA) (hollow, mirrored surface) relative irradiance 38 mm DIA 1 Irradiance across the field LED is inside 0.9 hollow 0.8 reflector 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 12 mm field angle, degrees 94.7% energy inside this radius 17 (geometrical, no Fresnel loss) SM
- 18. Skills and Experience Summary Optical system design and analysis Programming Innovations 18 SM