Zhu,XC 等.Defocus measuring the focal length of microlens-array by grating prismatic interference.《Proceedings of SPIE-The International Society for Optical Engineering》.2010,第7849卷78491D-1~78491D-8.Defocus measuring the focal length ofmicrolens-array by grating prismatic interference. Xianchang ...
Here, a microlens array is placed before the focal plane array, each one producing a focus on the detector plane. The location of that focus indicates the local wavefront curvature. One requires some dozens of detector pixels, for example, for a single pixel of the generated wavefront image...
an out-coupler supported by the slab for out-coupling portions of the illuminating light along one of the outer surfaces of the slab, and a tunable microlens array for forming an array of light spots from the out-coupled illuminating light...
we obtained multi-focal plane image stacks by multiple exposures with varying CMOS sensor depth (note that focal stack data collected by CMOS sensors with multiple exposures would be comparable to that obtained by the proposed transparent array with a single exposure, as long as the scene being ...
The invention includes a method for making a microlens array mold capable of forming the array described above. The method includes forming an array of receptacles having varying depths and applying a shrinkable, hardenable liquid over the array, thereby forming a meniscus in each receptacle. As th...
Then an ultra-precision diamond machine was applied to generate the freeform microlens array features on the master mold, and a belttype polydimethylsiloxane (PDMS) mold with a microlens array pattern was prepared from the machined master mold. The R2R process was employe...
Yoonseuk Choi,Jae-Hong Park,Jae-Hoon Kim.Fabrication of a focal length variable microlens array based on a nematic liquid crystal. Optical Materials . 2002Y. Choi, J. H. Park, J. H. Kim, S. D. Lee: Fabrication of a focal length variable microlens array based on a...
A cost-effective FPA includes a plurality of detectors per pixel, wherein radiation is directed by a microlens array into respective focal regions that are covered by the union of the detectors' collections regions within each pixel and any defective detectors are de-selected in the ROIC. The ...
Diffractive microlens array monolithic integration with PtSi focal plane array [J]. Int J of Infrared and Millimeter Waves, 2000, 21(9): 1417-1425.LI YI, YI X J, CAI L P. Diffractive microlens array monolithic integration with PtSi focal plane array[J]. Int J of Infrared and Millimeter ...
Microlens arraysBased on finite element analysis, the structural stress of 8×8 InSb Infrared Focal Plane Array integrating with microlens arrays dependent on indium bump sizes is systemically researched. Simulation results show that as the diameters of indium bump increase from 16μm to 38μm in ...