This paper reported a method of improving endometrium blood flow. Multi focused ultrasonic probe combined with vaginal cervix probe to stimulate the acupoint, pelvic muscle and cervix. The focused ultrasound module us...
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The proceedings contain 27 papers. The topics discussed include: using multi-function components to solve opticaldesign challenges for DUV microlithographic applications;automated synthesis of both the topology and n...
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The proceedings contain 27 papers. The topics discussed include: using multi-function components to solve opticaldesign challenges for DUV microlithographic applications;automated synthesis of both the topology and numerical parameters for seven patented optical lens systems using genetic programming;advances in lenticular lens arrays for visual display;wide field-of-view imaging system using a liquid crystal spatial light modulator;design tools for freeform optics;designing and specifying aspheres for manufacturability;infrared hybrid optics with high broadband efficiency;removing challenges in microlithographic opticaldesign;laser beam filtering by refractive or diffractive microstructures;and a hybrid athermal CCD camera.
The proceedings contain 35 papers. The topics discussed include: CCT-dependent calibration for colorimeters;high performance of color mixing and projection lighting based on color LEDs;research on angle-selective filt...
ISBN:
(纸本)9780819482822
The proceedings contain 35 papers. The topics discussed include: CCT-dependent calibration for colorimeters;high performance of color mixing and projection lighting based on color LEDs;research on angle-selective filters of phosphor color wheel for LED projectors;high-efficiency LED street light using micro-lens array;optical performance as a function of phosphor particle number in white LED;a novel approach for structural synthesis of zoom systems;accelerating diffractive optics design with GPU-based parallel technique;ultra-compact close-up microoptical imaging system;design and implementation of recording and readout system for micro-holographic optical data storage;perceptual image quality and telescope performance ranking;ion-beam figuring (IBF) for high-precision optics becomes affordable;and flat liquid crystal diffractive lenses with variable focus and magnification.
The proceedings contain 53 papers. The topics discussed include: development of a three-channel SWIR camera, for ground-based astronomical imaging. (two micron all sky survey, 2MASS);evaluation of a demonstration tele...
The proceedings contain 53 papers. The topics discussed include: development of a three-channel SWIR camera, for ground-based astronomical imaging. (two micron all sky survey, 2MASS);evaluation of a demonstration telescope for the pluto express mission;impact of zonal irregularity and refractive index errors on infrared lens performance;optical performance budget for the far ultraviolet spectroscopic explorer;compact prism-based optics for two-axis gimbal systems allowing large aperture and field of regard;using wavefront sensor information in image post-processing to improve the resolution of telescopes with small aberrations;scanning near-field infrared microscope with a free electron laser illumination source;infrared incoherent imaging: elements of rotary encoder opticaldesign;and dry resist technology to fabricate optimized microlenses centered to the end of a monomode fiber with electron-beam lithography.
A lens design having constant working distance while having variable recording depth for micro holographic data storage system has been proposed. Variation of focal length is suppressed for the entire depth within 1% ...
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ISBN:
(纸本)9780819482822
A lens design having constant working distance while having variable recording depth for micro holographic data storage system has been proposed. Variation of focal length is suppressed for the entire depth within 1% which enables focusing and tracking servoing without changing servo parameters.
Genetic algorithm and its application in lens design is studied. A new algorithm is presented which includes a genetic algorithm (GA) and damped least square (DLS) method. The convergence property of GA in lens design...
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ISBN:
(纸本)0819422517
Genetic algorithm and its application in lens design is studied. A new algorithm is presented which includes a genetic algorithm (GA) and damped least square (DLS) method. The convergence property of GA in lens design is demonstrated. A GA. generated design is obtained without artificial intervention. The aberration correction has to be done by DLS, and the result is close to the starting configuration generated by GA.
Recent advances in the manufacturing of large (up to 62 mm diameter) glass blanks with axial index gradients of up to 0.20 enable significant performance gains in opticaldesigns. The new axial gradient material has a...
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ISBN:
(纸本)0819422517
Recent advances in the manufacturing of large (up to 62 mm diameter) glass blanks with axial index gradients of up to 0.20 enable significant performance gains in opticaldesigns. The new axial gradient material has an index and dispersion similar to SF (short flint) glasses, except the index varies continuously through the axis of the blank. The axial gradient material and numerous design examples using the new material will be presented.
The Fine Guidance Sensor (FGS) is part of the science instrumentation for the James Webb Space Telescope (JWST). The FGS is required to operate at 37 K and provide the data needed to facilitate fine pointing and attit...
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ISBN:
(纸本)9780819482822
The Fine Guidance Sensor (FGS) is part of the science instrumentation for the James Webb Space Telescope (JWST). The FGS is required to operate at 37 K and provide the data needed to facilitate fine pointing and attitude stabilization necessary to meet the requirements of the mission's science and engineering operations. We describe here the selection of the proper opticaldesign form to meet requirements and its relative merits. The FGS has progressed with the successful completion of several key design reviews. The opticaldesign of the current stage will be discussed here in detail.
The optical system of an optical rotary encoder is presented. The requirements of the optics system are given and their effects on opticaldesign decisions are discussed, Steps taken to insure stable operation over a ...
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ISBN:
(纸本)0819422517
The optical system of an optical rotary encoder is presented. The requirements of the optics system are given and their effects on opticaldesign decisions are discussed, Steps taken to insure stable operation over a -40 degrees C to +85 degrees C temperature range are presented. designing for manufacturing toleraces is discussed. A novel application of a fiber illuminator LED as a short-distance collimated source is shown to be an acceptable low-cost alternative to a laser diode. The importance of effective plastic element employment in low-cost, mass-production optical systems is demonstrated.
Photonic switching systems image arrays of sources onto arrays of detectors and modulators. Even this simple functionality poses serious challenges for the optical engineer. Image quality must be excellent because the...
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ISBN:
(纸本)0819422517
Photonic switching systems image arrays of sources onto arrays of detectors and modulators. Even this simple functionality poses serious challenges for the optical engineer. Image quality must be excellent because the large modulator bandwidth demands small modulator size. Magnification and distortion must be precisely corrected for the spot array to fit onto the detector array. The system must be extraordinarily stable for the spots to stay on the detector array. For these reasons, photonic switching systems have traditionally been mounted on vibration isolated optical tables. This paper will describe our newest system, which is mounted in a standard electronics frame. Experimental results and design methodologies will be discussed.
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