Search

The article discusses advances in optics and photonics in 2021 for use in the field of laser optics, integrated photonics, quantum optical systems, and other industrial applications. Some of them are advances in lasers as use of two-photon polymerization, to cool some solid-state substances via anti-Stokes fluorescence and pixelated microdisplay that can alter polarization at each pixel.

The article discusses the initial sequencing of SARS-CoV-2 and the ultraviolet LEDs used in air filtration to spectroscopy based diagnostic tests like real-time PCR, optics and photonics are enabling the fight for COVID-19. Topics include for diagnosing active infections of COVID-19, the primary testing protocols involve using a process known as reverse-transcription polymerase chain reaction; and the pandemic continues to grip the world, the general public has the developments in testing.

Information about several topics discussed at SPIE Photonics West 2020 conference held in February 1-6, 2020 and sponsored by the global photonics community. Topics discussed include role of researchers, technology developers, and buyers; and views of Andrew Brown, SPIE Senior Director of Global Business Development, on the particularly looking forward to exciting and ever-expanding industry program in 2020 amounts to more than 60 dedicated events over six days.

The article focuses on use of beam-envelope method to analyze photonic components. Topics discussed include finite difference method used by computational high-frequency electromagnetic software, analyzing propagating waves in optical structures, and variation of well-defined wave vector in the direction of propagation.

The article offers information on the top photonics technology for 2016. It discusses the research and development of the said photonics technology which includes atireflection nanotextures for laser optics, practical metamaterial optics, 40-W green-emitting thin disk laser, and the Frequency-doubled and quadrupled laser diodes.

The article reports on the continued global growth of the optics and photonics industry, according to the Society of Photo-Optical Instrumentation Engineers (SPIE) 2022 Industry Report. The report indicated the forecasted component revenues in 2022 and the average range of revenue per employee across optics and photonics companies. Market segments dependent on photonics include advanced manufacturing, sensing and biomedical, while growth areas include sensors, solar and consumer products.

The article presents an interview with the Kathleen A. Richardson, Pegasus Professor of Optics & Photonics, Materials Science, and Engineering at the University of Central Florida's Center for Research and Education in Optics and Lasers, the College of Optics and Photonics. It mentions about the Richardson's work in optics/photonics.

The article focuses on the growth of large mode-area fibers with benefits in areas of fiber-optic communication. Topics discussed include ability of superchannels to carry multicore and few-mode fibers; availability of dark fibers installed during the bubble years with use of transmitters; and spread of large-area fibers allowing use of higher power and advanced coding techniques to increase data rates.

The article focuses on standards for the U.S. optics and photonics industries. It states that most of the standards of the country began as top-down standards from the U.S. military. It mentions that the standards developed by the Technical Committee 172 has a total of 15 participating members. It highlights that the industries are represented by the Optics and Electro-Optics Standards Council (OEOSC).

The article discusses several studies on photonics and photonic devices developed in 2011. It highlights the experiment by Bayerische Motoren Werke AG (BMW) on white-emitting laser headlights using blue laser diodes. It states that Mitsubishi Electronics launched a non-flat large organic light emitting diode (LED) (OLED) display.

The article discusses the use of nematic liquid crystal (NLC), widely used for information display, for applications in photonics, sensing and diagnostics. It cites that the liquid crystals (LCs) were composed of anisotropic molecules. It notes that LC sensors has detectors suited to detect various applications. It mentions how an NLC-based sensor functions for a particular target. It further cites the cause of the NLC molecules' perpendicular alignment to the surface.

The article features the importance of hollow-core photonic-crystal fiber (HC-PCF) guide in the U.S. It reveals that nonlinear and quantum optics cannot transport tightly focus laser beams over long distances without the constraints of diffraction but with the development of HC-PCF such wish is realized because the technology has the ability to confine gases and light together at mode areas of several square microns while maintaining its interaction over lengths exceeding several hundred meters.

The article reports on the production of the most compact photonic-crystal (PC) demultiplexer by using the three dispersive properties of photonic crystals; namely, the super-prism effect, negative diffraction and negative refraction. Using the super-prism effect in photonic crystal (PC), the basic demultiplexing function can be obtained. Super-prism effect is based on the difference between the dispersive properties of the PC and the incident region for wavelength demultiplexing.

Focuses on the commercial applications of planar photonic crystals. Geometric considerations; Signal enhancement over photonic crystal surfaces; Reduction of loss. INSET: Properties depend on dispersion relations.

This article presents information on photonic crystals. The fertile concept of the photonic crystal is spawning a new generation of optical devices that confine light using internal microstructures. The best-known class of devices is fundamentally among the simplest--holey fibers--which are waveguides that confine light inside the fiber so it propagates in a single direction. Photonic crystals are materials in which internal microstructures create period variations in the dielectric constant on the scale of a wavelength of light.

The article reports that photonics West 2005 is expected to once again attract large numbers of industry insiders and newcomers who will meet with their peers, learn about the newest innovations, and see the latest product offerings from the photonics industry. The conference, sponsored by SPIE, will be held January 22-27 in San Jose, California. The program on nanotechnologies in photonics includes Quantum Sensing and Nanophotonic Devices II and Photonic Crystal Materials and Devices 111. INSET: China, nanophotonics, and more.

Reports on the application of optical modules in the design fiber optic systems. Standardization of optical modules; Concept of the standardized electronic module; Future challenge of building modules for 40-gigabyte systems.

Discusses issues concerning confocal scanning microscopes (CSM). Development of tools, materials and technology for less expensive manufacturing of CSM; Explanation of how CSM works; Chromatic and spherical aberration; Laser illumination.

Reports on Russian Academy of Sciences researchers' development of a modification to high-power wide-aperture gas lasers. Conversion of a continuous-wave gas-dynamic laser to a high-frequency pulse-periodic mode; Potential applications of the gas laser.

Delves into photonic-crystal fibers. Advantages of using a hollow core; Discussion on fabrication; Analysis of attenuation and beam delivery.

Looks into the importance of fine-tuning the properties of optical fiber in meeting specific needs of a diverse range of applications. Overview concerning how optical fiber have started to exist in the market; Narrow requirements of specific applications; Structure of polarization-maintaining fibers.

Reports that an important decision in a system design is often whether and when off-the-shelf-optics (OTSO) are more appropriate than custom optics. Categories of off-the-shelf optics; Important considerations for effective use of OTSO; Advantages of OTSO components. INSET: Requirements to consider when deciding between custom and....

An interview with president Jan Melles of Photonics Investments is presented. Topics discussed include the research presented by SPIE, a not-for-profit international professional society for optics and photonics technology, about the composition of the core optics and photonics components market, the challenges will face by the photonics component companies, and whether outside investments or merging with a larger competitor is a good quality option for small optics businesses.

The article focuses on the role of algorithms to the advances in optics and optoelectronics. Topics discussed include the active photonics building block (APBB) method developed by laser simulation company Simphotek to calculate photophysical interactions in materials, the update SimphoSOFT software, and the use of SimphoSOFT to multiphoton-absorbing materials.

An interview with Stefan Traeger, chief executive officer of Jenoptik is presented. When asked about his views on Jenoptik in 2018, he mention about demand for the products of Jenoptik from semiconductor industry. He mention about the focus of Jenoptik on optics and photonics. He comment on the strategic change of Jenoptik to adapt to the 21th century.

The article reports on the development of an optical frequency synthesizer by researcher at the National Institute of Standards and Technology (NIST), the California Institute of Technology (Caltec) and University of Colorado. It mentions its potential in producing precise optical frequencies on demand in metrological and scientific applications. It also notes its creation through integrated photonics, tunable laser and frequency combs.

The article focuses on the demonstration of a fabricated monolithically integrated germanium-on-silicon (Ge-on-Si) light emitting diodes (LEDs) by researchers at the California Institute of Technology and at the Massachusetts Institute of Technology. The integrated Ge-on-Si LEDs is cited to display direct-bandgap electro luminescence at room temperature. Processes are given including the function of electrical-injection current, fabrication of devices, and design of a silicon dioxide layer.

The article reports on the experimental project for quantum optical coherence tomography (QOCT) in the U.S. It states that the experimental project had demonstrated that QOCT is a viable biological imaging technique. Moreover, QOCT which been shown to work on other materials, but it is harder to work with biological specimens, is able to deliver the resolution for the same bandwidth.

The article offers information on the family of nanophotonic devices. One family of nanophotonic devices confines current carriers on nanometer scale. Another group of nonophotonic devices confines visible and infrared photons rather than carriers. The scale of confinement is determined by internal structures such as photonic crystals.

The article highlights the development and use of random, periodic optical metamaterials which were showcased at the Photonic Metamaterials from Random Period exhibition held from June 5 to 8 in Grand Bahama Island, the Bahamas. A topical meeting was also held by the Optical Society of America, which emphasized developments in superseding long-accepted limits of optical resolution and detectability.

The article presents information about the newly developed hybrid assembly technique by the Ipswich, England-based firm Centre for Integrated Photonics. The new method of integrating optical devices is simple and highly reliable. The technique has been used by the company in manufacturing several advanced photonic components. The technique is the result of a 10-year-long research. It integrates optics in a way similar to mounting electronic printed-circuit boards on a motherboard.

Reports on the 2005 Advanced Solid-State Photonics topical meeting in Vienna, Austria. Highlights of the event; Topics of discussion.

Reports on University of Bath researchers' development of gas-filled hollow-core photonic-crystal fibers. Hydrogen-filled cell for generation of rotational Raman scattering using quasi-continuous-wave laser pulses; Acetylene-filled cells for frequency-locking of diode lasers.

The article discusses analytical spectroscopy and telecommunication photonics. telecommunications optical channel monitor (OCM) is a highly specialized and optimized spectrometer that produces a chart of power versus wavelength. All optical components for an OCM are contained in a single 14-pin butterfly package. Traditional laboratory and process spectrometers used for analytical chemistry rely on tungsten-halogen light bulbs as their broadband source. Semiconductor light sources are commercially available from several vendors in the traditional telecommunications region of the spectrum.

The article reports on meeting on nanophotonics at Stanford Photonics Research Center in Palo Alto, California. As usual, topics covered in the three-day multidisciplinary optics meeting ranged from the farthest reaches of fundamental optical sciences, such as quantum computing with linear optics, to everyday commercial realities, such as the technical challenges of meeting explosive consumer demand for cameras in cell phones. So nanophotonics, a field in which fundamental enabling research continues at the same time as companies and products are beginning to appear on the market, seemed an apt topic choice for the annual industry panel session.

Discusses issues concerning optical profilers. Categories of commercially optical profilers; Features of a conventional mechanical profiler; Design of a digital profiler.

Focuses on the application of complementary metal oxide semiconductors (CMOS) in optical interconnects. Advantages of using CMOS in optical communication links; Possibility of developing efficient detectors using silicon-compatible CMOS process.

Discusses developments related concerning Panda-style polarization-maintaining fibers (PM). Principle of Panda-PM technology; Growing applications outside the telecommunications industry; Fiberoptic-gyroscope applications.

Discusses issues concerning photonic-crystal fibers (PCF). Uses of PCF; Types and subclasses of PCF; Application of PCF in laser.

Reports on the 2004 meeting of the Materials Research Society in San Francisco, California focusing on micro- and nanophotonics. Significance of silicon on micro- and nanophotonics; Growth of optical circuitry in computer systems discussed during the meeting; Controversies surrounding the feasibility of on-chip optical interconnects.

Highlights the 2004 Photon Forum held in Tucson, Arizona. Companies that participated in the convention; Photonic opportunities for investors identified during the forum; Industrial applications of solid-state lighting, displays, photonic sensors and fiber to the home/curb/desk; Other developments related to optical system technologies.

Discusses processes capable of designing lattices of inorganic-organic hybrid polymers into photonic crystals. Thermal stability of inorganic backbone; Techniques involved in fabricating photonic-crystal structures; Purpose for using the standard ultraviolet lithography.

Studies the applications for active-photonic-lattice distributed-feedback lasers which emit a diffraction-limited surface-normal beam. Combination of the lasers coherently into arrays that could potentially emit 50 W of continuous-wave infrared light; Active photonic lattices; Resonant-opticl-waveguide array structure; Wafer-scale arrays.

Reports that the biennial international conference on Education and Training in Optics and Photonics was held with the 2004's annual meeting of the Optical Society of America. Theme of the conference; Topics; Speakers; Programs and activities. INSET: Hands-On Optics grant targets middle-school students.

The article discusses the development of simpler ways in producing curved beam light by researchers from Tomsk Polytechnic and Tomsk State Universities and colleagues. Topics mention including utilizing of laser and spatial light modulator (SLM), use of dielectric prism or cuboid structure and massive support systems required in Airy beams.

The article reports on the development of milliDelta by Robert Wood and colleagues from Harvard University's Wyss Institute. Topics mention including developing of microfabrication approach, application of microelectromechanical systems (MEMS) and incorporating milliDelta design with composite laminate structure.

An interview with retire photonics professional and researcher Donald O'Shea is presented. Topics mention including the major changes in ELEMENTS such as the designing of optics using CODE V, text and teaching optical system design, journalism and acting skills and tips on improving the communication skills for an effective explaining of a complex subject.

The article discusses the 31st annual Lasers & Photonics Marketplace Seminar that wsas held in February 2019. Topics mention including the impact of Chinese laser markets to the global markets, common photonic related needs of quantum computers and other quantum devices and addressing the needs and opportunities of the emerging markets.

An interview with Professor Tom Koch, Dean at the College of Optical Sciences at the University of Arizona (UA), is presented. He discusses several topics including optical engineering and other programs that attracted him to UA, his college education that focused on photonics, optics and fundamental physics, and association of UA with telescope optics.

An interview with Professor Xi-Cheng Zhang, director of the Institute of Optics at the University of Rochester, is presented. When asked about his department, Zhang mentions that is a part of the Hajim School of Engineering and Applied Sciences and was established in 1929. Zhang discusses the vision of the Institute and its advantage in having top-calibre professors. Zhang also discusses the challenges and opportunities faced by the institute.