Optoelectronics Reference Materials

Description: This technical article compares motion sensors and infrared (IR) sensors, covering their detection principles, operating mechanisms, and practical applications. It explains how passive infrared (PIR), ...

Description: This technical article explores proximity sensors, devices that detect objects without physical contact using light, sound, or electromagnetic fields. It covers sensor types (inductive, capacitive, ...

Description: A comprehensive technical guide to laser diode selection covering the optical, electrical, thermal, and mechanical parameters that influence system performance. The white paper addresses wavelength ...

Description: Hall effect sensors are magnetic field transducers that generate electrical signals proportional to applied magnetic field strength. This article covers fundamental operating principles based on the ...

Description: In this blog, we will delve into the intricate world of optoisolators, exploring their history, core functionalities, and the science behind their operation. An Optoisolator is an electronic device ...

Description: LDR, also known as a Light Dependent Resistor, is a unique resistor that operates based on the principle of photoconductivity. This means that its resistance varies by the level of light it is exposed ...

Description: Factory automation is rapidly transforming industries worldwide, marking a new era of efficiency, precision, and innovation. As we advance deeper into Industry 4.0, the integration of advanced ...

Description: CUSTOM PHOTODIODE ...

Description: Photovoltaic and Photoconductive Operation ...

Description: I received this e-mail from a potential customer who is trying to determine why he had a skewed encoder waveform. ...

Description: DIALUNOX has developed a small, easy to use fluorescence measurement system, which is extremely sensitive, robust and affordable! The systems use of modern microsystems technology, state of the art ...

Description: The study of ultrafast processes is gaining importance. A new generation of delay line stages provides higher temporal resolution and precision. ...

Description: Electronic Component Solar Panels help fast-track an integrated solar project from concept to prototype to production. These Classic Application Series panels offer a new opportunity to solve the old ...

Description: The Electronic Component Product Family is perfectly positioned to fast-track an integrated solar project from concept to prototype to production. Indoor Light Series Solar Panels open new ...

Description: Among all the possible applications using LEDs, those where the optical power is set high continuously over long periods of time are challenging in terms of stability over time. For instance, object ...

Description: Most of the Opto devices sensor devices on the market are designed with analog outputs (photodiodes, phototransistors) that requires an analog to digital conversion to interface with the application. ...

Description: The design of an Optoelectric interrupter rests on two functions. The electro-optical function and the transport and delivery of the light ...

Description: Optical bonding enables the connection of touch sensor, cover glass and display into one unit by means of different technologies and processes. Just as with optical bonding of TFT LC displays, this ...

Description: Turning Nanometers into Femtoseconds and Attoseconds ...

Description: An automotive lighting solution that combines the LED driver ICs req. for LED lighting control along with compact high reliability LEDs ...

Description: A photoelectric system uses visible or infrared light to perform a variety of functions in both industrial and commercial applications, such as measuring distance or detecting the presence or absence ...

Description: In this webinar, we will analyze the reasons that made Photoelectric Sensors prominent, look at the evolution of the enabling technologies starting with the LED, how that has made Photoelectric ...

Description: PI's Fast Multichannel Photonic Alignment (FMPA) technology was introduced in 2016. It quickly amassed prestigious honors like the R&D 100 Award and the Lightwave Innovations Award for its ...

Description: The QVE01040 phototransistor optical interrupter switch, consists of an infrared LED emitter that is optically coupled to a phototransistor detector through a 0.3 mm aperture on both sides. The ...

Description: The use of optical sensors to replace mechanical switches is an important feature of today's automation techniques. The mechanical switch is prone to failure after a relatively short operating life. ...

Description: There is no absolute answer to this question. It depends much on the application. In most cases, by pulsing the emitter with a high drive current and using a sensitive photosensor, such as a ...

Description: The IR LED emitter is commonly continuously powered, forcing a constant DC current through the LED. The LED is connected to the DC supply via current limiting resistor. Equation included in piece. ...

Description: The basic structure of the photodiode is a reverse biased PN junction. When light of the proper wavelength is directed toward the junction, hole electron pairs are created and swept across the ...

Description: The common-emitter amplifier circuit (Fig. 1) generates an output which transitions from a high state to a low state when light in the near-infrared range is detected by the phototransistor. The ...

Description: This note lists and answers common technical questions about the operation of Light in Motion's IR hermetic components. ...

Description: Random Position Object Sensing refers to applications where the goal is to either detect the presence of an "object" in an open delimited space or count the number of objects travelling through a ...

Description: Fabrication of graphene devices for infrared detection ...

Description: Laser triangulation for shape acquisition in a 3D scanner plus scan ...

Description: This article describes how to design a circuit that controls the UVC light intensity in disinfection and sanitizing systems. This intensity must remain above a predetermined threshold to guarantee the ...

Description: Laser system designers have a broad range of beam positioning architectures available to them to solve various applications. This paper explores the design, benefits, consequences, and use of the ...

Description: Many manufacturing plants are considered hazardous environments particularly in petro-chemical and grain processing plants. Any electrical arc could ignite a fire or major explosion. Since these ...

Description: Standex-Meder Electronics, manufacturer of precise, reliable, and long-lasting miniature switches, sensors, and relays has literally been lighting the way for decades. Since the 1950's they have been ...

Description: The silicon photomultiplier (SiPM) is a radiation detector with extremely high sensitivity, high efficiency, and very low time jitter. It is based on reversed biased p/n diodes and can directly detect ...

Description: The IECEx is a certification system which verifies compliance with IEC international standards relating to equipment for use in explosive atmospheres. The safety requirement for equipment under ...

Description: The ACPL-337J is an advanced highly integrated gate drive optocoupler, designed to ISOLATE, DRIVE, PROTECT and FEEDBACK the IGBT's operational status. It has a rail-to-rail output that can deliver 4A ...

Description: This white paper describes the Series 9 avalanche photodiodes (APDs) from First Sensor for high resolution LIDAR systems developed for Advanced Driver Assistance Systems (ADAS), 3D mapping systems, ...

Description: MOXTEK has developed a new polarizer technology for the visible spectrum based on the technology of nanometer-scale wire-grids. They have named their technology ProFlux(tm) Polarizers. These ...

Description: The Moxtek® wire grid polarizer technology offers a reliable, highly durable solution to high quality LCoS display technology with a perfect polarization match to the LC imager. Recent ...

Description: Wire-grid polarizers are now available for broadband visible applications. This type of polarizer is very attractive for projection display applications because of its high efficiency, high contrast, ...

Description: Broad and narrow-band wire grid polarizer (WGP) products suitable for MWIR and LWIR applications requiring high contrast were developed on antireflection (AR) coated silicon using Moxtek nanowire ...

Description: Bin Codes, Reliability Tests, Application Notes ...

Description: Digital optocouplers in an electrical system provide high voltage insulation and noise rejection for data transmission. A high quality insulation barrier in the optocoupler is needed to provide ...

Description: Usually, an IGBT (Insulated Gate Bipolar Transistor) is described in the following way: "An IGBT is a combination of a field effect transistor and a bipolar transistor where an N-channel FET controls ...

Description: Die zunehmende Nachfrage nach Hochleistungs-Laserdioden mit niedrigen Kosten pro Watt setzt Laserdiodenhersteller unter Druck... ...

Description: Advances in sensors, filters and apertures are driving the evolution of multispectral imaging to practical commercial systems for use in everything from medical imaging to satellite remote sensing. ...

Description: Spectral imaging involves capturing images at multiple wavelengths resulting in a data cube (x, y, ?) that allows materials to be identified by its spectral signature. While hyperspectral imagers can ...

Description: Micro-patterned dichroic filter arrays enable ultracompact real-time imaging spectrometers and multispectral cameras. ...

Description: An X-ray shielded test chamber has been designed and built that includes a CCD-pinhole camera and energy-dispersive silicon PIN-diode detector for spectrum collection. The use of this chamber is an ...

Description: We developed a 5.5 inch, VGA (640×480×RGB), stereoscopic 3D display using a precisely patterned wire grid polarizer (WGP) with rows of alternating polarization angle. Such a wire grid polarizer is ...

Description: Each year the Society awards the Display of the Year Award to several leading edge display devices or technologies that provide innovative solutions to an information display need. The following paper ...

Description: The OC100HG push-pull configuration is useful for driving strictly capacitive loads or very high resistive impedance loads. Low capacitance loads can be driven at relatively high speeds, while large ...

Description: This application is for use in a scanning electron microscope, which has different operating modes. In one mode, a large negative voltage (nominally -10kV) must be applied to an electrode. In the ...

Description: There are many challenges associated with high-voltage Li-ion battery-stack management in all-electric or hybrid automotive applications. Charge and discharge cycles must be monitored and controlled, ...

Description: The vertebrate ear benefits from nonlinear mechanical amplification to operate over a vast range of sound intensities. The amplificatory process is thought to emerge from active force production by ...

Description: Optocouplers are used extensively for high-voltage isolation and electrical noise rejection - two essential requirements for transmitting correct information between different voltage potentials ...

Description: Electrical systems, no matter what their purpose, share three primary requirements: reliable, safe, and long life operation. To ensure safe operation, users must be double insulated from any dangerous ...

Description: Avago's new ACE Q100 grade optocouplers, the ACPL-K4xT/K7xT series has signifi cantly lower LED driving current compared to conventional optocouplers, thus lowering system power consumption. ...

Description: Critical considerations when designing the user interface for portable medical devices ...

Description: Patient contacts in medical devices must be isolated from ac mains to protect the patient from hazardous voltage shocks. In medical imaging devices, large quantities of video imaging data need to be ...

Description: Despite the potential hazards of ultraviolet light which are evident in everyday life, the UV spectrum is proving to have many beneficial effects in a multitude of areas. ...

Description: The ACPL-x6xL products are optically coupled ultra-low power 10 MBd digital CMOS opto couplers that operate with low power consumption, especially when the light emitting diode (LED) operates at low ...

Description: Home energy systems based on renewable sources such as solar and wind power are becoming more popular among consumers and gaining increasing support from governmental bodies. Such systems, however, ...

Description: Bootstrap power supplies can be used to reduce the number of isolated power supplies or DC-to-DC converters. This helps to reduce cost and the PCB space as compared to transformer-based power ...

Description: Thanks to the dvancement of surface mount LED package design and materials in recent years, coupled with the progress in LED die efficiency, surface mount LED packaging can now deliver the required ...

Description: The effects of time jitter on time-of-flight mass spectrometer detectors is examined. Improvements to both microchannel flatness and ion arrival time. ...

Description: The basic circuit of an optical sensor is shown in Figure 2-2.1(a). The anode of the LED is connected to the power line VCC via resistor RE and the cathode is grounded. ...

Description: The trend of electric or hybrid electric vehicles has accelerated the introduction of electronic components into cars. The components residing under the hood will experience high ambient temperatures ...

Description: In portable electronic products, reducing the power consumption to provide the user with increased battery life is one of today's critical design considerations. The liquid crystal display (LCD) and ...

Description: This paper addresses various applications where NEC/CEL optocouplers offer galvanic isolation for driving MOSFET / IGBT devices in industrial applications including general-purpose inverters, AC ...

Description: The photodiode used for optical detection of the atomic resonance in a passive rubidium frequency standard (RFS) is a critical component that can limit the radiation hardness of the standard at high ...

Description: This paper describes an electro-optic displacement measurement system which measures both angular and lateral displacements simultaneously. The system consists of a CW laser, lenses, interference ...

Description: Silicon photodiodes have practically no carrier recombination at the Si-Si02 interface or in the front diffused region have been developed by defect-free n-type impurity diffusion into the p-type ...

Description: The introduction of laser emission safety regulations will necessitate simple instruments for user monitoring and regulatory purposes. These instruments must be capable of being accurately calibrated ...

Description: Very high, quantum efficiency, UV-enhanced silicon photodiodes have been developed by arsenic diffusion into p-type silicon as an alternative to the inversion layer photodiodes commonly used in ...

Description: Neutron radiation testing was performed on a total of 125 silicon photodiodes to investigate the changes in the device parameters after neutron exposure. Califonium-252 source was used to irradiate ...

Description: Applications are expanding rapidly in the use of electro-optical instruments to measure angle, distance, heights, centering, surface uniformity, and other parameters related to position sensing. ...

Description: Silicon photodiodes are semiconductor devices used for the detection of light in ultra-violet, visible and infrared spectral regions. Because of their small size, low noise, high speed and good ...

Description: The days when all washers and dryers were finished in white enamel and had a couple of large electromechanical dials or controllers, are fading into the past. Today's consumers are looking for ...

Description: Galvanometer-based optical scanners are the preferred positioning solution for an increasingly broad range of industrial, scientific, imaging, and medical laser applications. While a number of ...