Conferences related to Microoptics

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2020 59th IEEE Conference on Decision and Control (CDC)

The CDC is the premier conference dedicated to the advancement of the theory and practice of systems and control. The CDC annually brings together an international community of researchers and practitioners in the field of automatic control to discuss new research results, perspectives on future developments, and innovative applications relevant to decision making, automatic control, and related areas.


2020 IEEE 70th Electronic Components and Technology Conference (ECTC)

ECTC is the premier international conference sponsored by the IEEE Components, Packaging and Manufacturing Society. ECTC paper comprise a wide spectrum of topics, including 3D packaging, electronic components, materials, assembly, interconnections, device and system packaging, optoelectronics, reliability, and simulation.


2020 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

CVPR is the premier annual computer vision event comprising the main conference and several co-located workshops and short courses. With its high quality and low cost, it provides an exceptional value for students, academics and industry researchers.

  • 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

    CVPR is the premier annual computer vision event comprising the main conference and severalco-located workshops and short courses. With its high quality and low cost, it provides anexceptional value for students, academics and industry researchers.

  • 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

    CVPR is the premier annual computer vision event comprising the main conference and several co-located workshops and short courses. With its high quality and low cost, it provides an exceptional value for students, academics and industry researchers.

  • 2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    CVPR is the premiere annual Computer Vision event comprising the main CVPR conferenceand 27co-located workshops and short courses. With its high quality and low cost, it provides anexceptional value for students,academics and industry.

  • 2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    CVPR is the premiere annual Computer Vision event comprising the main CVPR conference and 27 co-located workshops and short courses. With its high quality and low cost, it provides an exceptional value for students, academics and industry.

  • 2015 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    computer, vision, pattern, cvpr, machine, learning

  • 2014 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    CVPR is the premiere annual Computer Vision event comprising the main CVPR conference and 27 co-located workshops and short courses. Main conference plus 50 workshop only attendees and approximately 50 exhibitors and volunteers.

  • 2013 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    CVPR is the premiere annual Computer Vision event comprising the main CVPR conference and 27 co-located workshops and short courses. With its high quality and low cost, it provides an exceptional value for students, academics and industry.

  • 2012 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    Topics of interest include all aspects of computer vision and pattern recognition including motion and tracking,stereo, object recognition, object detection, color detection plus many more

  • 2011 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    Sensors Early and Biologically-Biologically-inspired Vision, Color and Texture, Segmentation and Grouping, Computational Photography and Video

  • 2010 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    Concerned with all aspects of computer vision and pattern recognition. Issues of interest include pattern, analysis, image, and video libraries, vision and graphics, motion analysis and physics-based vision.

  • 2009 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    Concerned with all aspects of computer vision and pattern recognition. Issues of interest include pattern, analysis, image, and video libraries, vision and graphics,motion analysis and physics-based vision.

  • 2008 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

  • 2007 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

  • 2006 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

  • 2005 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)


2020 Optical Fiber Communications Conference and Exhibition (OFC)

The Optical Fiber Communication Conference and Exhibition (OFC) is the largest global conference and exhibition for optical communications and networking professionals. For over 40 years, OFC has drawn attendees from all corners of the globe to meet and greet, teach and learn, make connections and move business forward.OFC attracts the biggest names in the field, offers key networking and partnering opportunities, and provides insights and inspiration on the major trends and technology advances affecting the industry. From technical presentations to the latest market trends and predictions, OFC is a one-stop-shop.


ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

The ICASSP meeting is the world's largest and most comprehensive technical conference focused on signal processing and its applications. The conference will feature world-class speakers, tutorials, exhibits, and over 50 lecture and poster sessions.


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Periodicals related to Microoptics

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Advanced Packaging, IEEE Transactions on

The IEEE Transactions on Advanced Packaging has its focus on the modeling, design, and analysis of advanced electronic, photonic, sensors, and MEMS packaging.


Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...


Display Technology, Journal of

This publication covers the theory, design, fabrication, manufacturing and application of information displays and aspects of display technology that emphasize the progress in device engineering, device design, materials, electronics, physics and reliabilityaspects of displays and the application of displays.


Electron Device Letters, IEEE

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


Electron Devices, IEEE Transactions on

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


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Most published Xplore authors for Microoptics

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Xplore Articles related to Microoptics

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Microlens-Stabilized Laser Arrays for Short-Pulse, Speckle-Free Imaging

2018 Conference on Lasers and Electro-Optics (CLEO), 2018

Microlens-stabilized laser arrays were constructed using solid-state and liquid gain media. Arrays comprised of more than 1, 200 beams illuminated motile biological specimens, producing speckle-free video with 15 nanosecond exposure per frame.


An electrothermal microlens scanner with low-voltage large-vertical-displacement actuation

IEEE Photonics Technology Letters, 2005

This letter reports the design, fabrication, and operation of a microlens scanner that can perform large vertical scans at low actuation voltages. Photoresist (PR) reflow technique was used to form a 210-μm-diameter PR microlens on a lens holder which is integrated with a large-vertical- displacement (LVD) microactuator. The lens holder is fabricated using a maskless deep-reactive-ion-etch complementary-metal-oxide-semiconductor microelectromechanical systems process. ...


Experimental Validation of a Multi-scale Free-space Intra-chip Optical Interconnection Fabric Concept

LEOS 2006 - 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2006

In this paper, key aspects of a 3-D optoelectronic application specific interconnection fabric system are demonstrated. The approach uses an array of high-density, precisely oriented micro-prisms that are lithographically fabricated to affect an arbitrary global interconnection fabric


Microfabricated separator and manipulator of blood cells for health care devices

Digest of Papers Microprocesses and Nanotechnology 2000. 2000 International Microprocesses and Nanotechnology Conference (IEEE Cat. No.00EX387), 2000

A microfabricated capillary electrophoresis chip has been recently developed and many researchers have reported its attractive potentials such as the drastic increase of speed, reduced sample volumes, higher resolutions and so forth. Furthermore the more aggressive strategy is to integrate a variety of components of analysis system on a chip and has been rapidly developed as so- called "/spl mu/-TAS ...


Ultra compact optical subassembly using integrated laser diode and silicon microlens for low-cost optical component

2004 Proceedings. 54th Electronic Components and Technology Conference (IEEE Cat. No.04CH37546), 2004

We have succeeded in developing an ultra compact optical subassembly (OSA) that consists of a pre-aligned Si microlens and a laser diode (LD) integrated on a Si V-groove substrate with a footprint less than 1 mm by 1 mm. This OSA is small enough to be mounted on a TO-CAN package such as TO38, making the resulting optical component ultra ...


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Educational Resources on Microoptics

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IEEE.tv Videos

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IEEE-USA E-Books

  • Microlens-Stabilized Laser Arrays for Short-Pulse, Speckle-Free Imaging

    Microlens-stabilized laser arrays were constructed using solid-state and liquid gain media. Arrays comprised of more than 1, 200 beams illuminated motile biological specimens, producing speckle-free video with 15 nanosecond exposure per frame.

  • An electrothermal microlens scanner with low-voltage large-vertical-displacement actuation

    This letter reports the design, fabrication, and operation of a microlens scanner that can perform large vertical scans at low actuation voltages. Photoresist (PR) reflow technique was used to form a 210-μm-diameter PR microlens on a lens holder which is integrated with a large-vertical- displacement (LVD) microactuator. The lens holder is fabricated using a maskless deep-reactive-ion-etch complementary-metal-oxide-semiconductor microelectromechanical systems process. A maximum static vertical displacement of 280 μm is achieved with a 700 by 320 μm LVD device at a low actuation voltage of 10 V. The microlens has a focal length of 188 μm, a numerical aperture of 0.35, and a resonant frequency of about 1 kHz.

  • Experimental Validation of a Multi-scale Free-space Intra-chip Optical Interconnection Fabric Concept

    In this paper, key aspects of a 3-D optoelectronic application specific interconnection fabric system are demonstrated. The approach uses an array of high-density, precisely oriented micro-prisms that are lithographically fabricated to affect an arbitrary global interconnection fabric

  • Microfabricated separator and manipulator of blood cells for health care devices

    A microfabricated capillary electrophoresis chip has been recently developed and many researchers have reported its attractive potentials such as the drastic increase of speed, reduced sample volumes, higher resolutions and so forth. Furthermore the more aggressive strategy is to integrate a variety of components of analysis system on a chip and has been rapidly developed as so- called "/spl mu/-TAS (micro total analysis system)", which is composed of microchannel network for sample pre- and post treatment, chemical reactions and separations and also detection systems like bio/chemical sensors, microoptics and microelectronic devices. In order to achieve the health care device that allows short-time inspection of human body by analyzing a slight amount of body fluid like blood, urine or saliva, we have been developing the micro analysis devices, and so far on-chip analysis of blood cells and serum have been studied based on micro-capillary electrophoresis chips. In this article, for the purpose of on-chip cell and/or particle separation and manipulation, (1) a separation of the serum and blood cells from the whole blood using a centrifugal chip, and (2) cell trapping using interdigitated electrodes have been investigated.

  • Ultra compact optical subassembly using integrated laser diode and silicon microlens for low-cost optical component

    We have succeeded in developing an ultra compact optical subassembly (OSA) that consists of a pre-aligned Si microlens and a laser diode (LD) integrated on a Si V-groove substrate with a footprint less than 1 mm by 1 mm. This OSA is small enough to be mounted on a TO-CAN package such as TO38, making the resulting optical component ultra compact in size and reducing the packaging process cost. A coupling efficiency better than -2.6 dB between the OSA and a single-mode fiber (SMF) has been experimentally confirmed. The experimental results show the OSA's applicability to metro networks, making the OSA a promising candidate for low-cost and high-performance optical components.

  • Far-Field Nonmodal Laser Emission for Low-Speckle Laser Projection

    In this letter, we discuss how the nonmodal emission regime's far field of a broad-area vertical-cavity surface-emitting laser (BA-VCSEL) can be used for low-speckle laser projection. A microlens beam homogenizer is used to exploit the low spatial coherence of the VCSEL's far field in the nonmodal emission regime. Using far-field instead of near-field illumination of the homogenizer has some important advantages for a practical projection system: the field emitted by the VCSEL can be directly projected onto the homogenizer without the need for additional lenses or accurate alignment. Speckle contrast values as low as 2.5% are measured and in good agreement with modeled contrast values.

  • High Sensitive Fiber Interferometric Pressure Sensor

    None

  • Plenty of Opportunity as Well as "Room at the Bottom" Some Examples in Optical MEMS

    More than a quarter century has passed since attention began to focus on MEMS with its fulfillment of the promise of "Plenty of Room at the Bottom," as had been foreseen a half century ago by famous physicist Richard Feynman. The promised 'room' held plenty of challenges as well as plenty of opportunities. I present some reflections on these early years of MEMS and then discuss results obtained from our research at BSAC on optical MEMS. These results confirm my belief in major opportunities for advancement in the optics area for MEMS. While much earlier research in optical MEMS has exploited the use of micromirrors, we have concentrated efforts on incorporating other optical devices. Components other than activated mirrors must be available to produce micro-optical systems for many applications that have established their value in macro designs. Chief among the needed components are high-quality microlenses that can be accurately formed and placed at specified locations in the fabrication of an optical micro system. The first part of this talk discusses our application of microlenses to wavefront-sensing for use in adaptive optics. I describe a micro lens array in which the passage of light through a specific lens can be identified by a new mechanical-frequency-based selection scheme. A lens array is typically part of a Shack-Hartmann (SH) sensor for measuring wavefront aberration, a necessary input for adaptive- optic systems. We show that a MEMS design for the lens array can markedly improve SH performance by increasing the dynamic range of measurable wavefront aberrations. The second part of my presentation describes a new, highly reliable and yet comparatively simple fabrication method that we have developed to produce robust microactuators for scanners and device positioning. I describe the application of an example of these microscanner to ocular surgery using laser ablation of tissue. Our results with this newly designed MEMS microscanner compare very favorably to those achieved using a conventional commercial laser-ablation system. As a final topic illustrating our optical MEMS research, I present initial results obtained using a new high-speed MEMS-based phase-shifting interferometer. I hope to leave you convinced, as am I, that opportunities for fruitful applications are extremely widespread in optical MEMS.

  • Single transverse mode operation in a microlensed vertical-cavity surface-emitting laser

    Summary form only given. We propose to integrate a partial concave mirror on top of an otherwise ordinary VCSEL device. In this scheme, a part of VCSEL laser output emitted from the VCSEL microcavity is reflected from the mirror and subsequently fed back into the microcavity. Upon re-entering, the light travels inside the cavity, with its path folded back and forth whenever encountering the high-reflection planar mirrors composing the microcavity. This allows multiple overlaps of the feedback light with the quantum well (QW) active layer. Along this passage of light, the spot size of the reflected laser beam gradually shrinks due to the focusing effect of the concave mirror until it reaches the minimum at the mirror focal length. Therefore the total field strength that the QW active layer effectively feels is much concentrated spatially toward the aperture center. This in turn results in locking laser oscillation to the fundamental transverse mode since it matches best with the accumulated reflected beam profile among the possible VCSEL modes. As a proof of concept we integrated a concave mirror, which rather looks like a microlens in shape from outside, on a GaAs/AlGaAs oxide-confined VCSEL device. Theoretical calculations were attempted based on the proposed mode stabilization mechanism. The results clearly showed the existence of mode discriminations. According to our simple calculations for the given microlensed device structure, the fundamental transverse mode (LP/sub 01/) dominates over the next higher-order mode (LP/sub 11/) by the factor of 4.

  • Tunable, membrane-based, liquid-filled micro-lenses

    A novel type of liquid microlens, bounded by a microfabricated, distensible membrane and activated by a microfluidic liquid-handling system, is presented. Using an elastomer membrane fabricated by spin-coating on a dry-etched silicon substrate, the liquid-filled cavity acts as a lens whereby applied pressure changes the membrane distension and thus the focal length. Both plano-convex and plano-concave lenses, individual elements as well as arrays, were fabricated and tested. Lens surface roughness was seen to be about 9 nm rms and focal length could be tuned from 1 to 18 mm. This lens represents a robust, self-contained tunable optical structure suitable for use in, for example, a medical environment.



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