2009
DOI: 10.1364/oe.17.001831
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Applications of digital micro-mirror devices to digital optical microscope dynamic range enhancement

Abstract: In this paper, we present a method of using digital micro-mirror devices to dynamic range enhancement of a digital optical microscope images. Our adaptive feedback illumination control generates a high dynamic range image through an algorithm that combines the DMD-to-camera pixel geometrical mapping and a feedback operation. The feedback process automatically generates an illumination pattern in an iterative fashion that spatially modulates the DMD array elements on pixel-by-pixel level. Via experiment, we dem… Show more

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Cited by 32 publications
(15 citation statements)
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“…Ankit et al 15 present an optical relay system for mechanical or electronic color spectrum control that utilizes a DMD in the optical path to modulate space lights. Adeyemi et al 16 demonstrate a system that uses precise DMD control of the projector to enhance the dynamic range.…”
Section: Introductionmentioning
confidence: 99%
“…Ankit et al 15 present an optical relay system for mechanical or electronic color spectrum control that utilizes a DMD in the optical path to modulate space lights. Adeyemi et al 16 demonstrate a system that uses precise DMD control of the projector to enhance the dynamic range.…”
Section: Introductionmentioning
confidence: 99%
“…Unlike conventional microfabrication techniques, the DMM eliminates the need for mask by incorporating a dynamic mask-less fabrication technique [17][18][19][20], Since the DMM system can develop models on a microscale level, this would make the fabri cation of tissue constructs and biological investigation more eco nomic; requiring less reagents, cells, and allow for consistency in experimental analysis to due limited interactions with the end user [21][22][23]. The DMM system is specifically designed for the develop ments of biologically inspired devices, which includes, but are not limited to, biosensors, Lindenmayer systems, and micro-organs.…”
Section: Introductionmentioning
confidence: 99%
“…Figure 1 shows and outline of the application potential of the DMM. This fabrication system eliminates the limitations of con ventional photolithography and enables the end user with the capa bilities to develop advantageous models within minutes [18,24]. The fabrication of microdevices/constructs can be a lengthy, costly, and labor-some process.…”
Section: Introductionmentioning
confidence: 99%
“…The use of DMDs has been demonstrated in multi-object spectroscopy [18] and also applied to astronomical observations [19]. They have also been used to acquire optically sectioned images in fluorescence microscopy [20], improve optical sectioning in fiber-optic confocal microscopy [21] and enhance the dynamic range of digital optical microscope images [22]. Here the DMD deflects the user-defined regions of the microscope image from the imaging arm to the spectrometer arm of the system.…”
Section: Introductionmentioning
confidence: 99%