Sensors & Detectors

SENSORS & DETECTORS CASE STUDIES AND WHITE PAPERS

A LiDAR Designer’s Guide To Sensor Technologies For Automotive/Mobility Systems
A LiDAR Designer’s Guide To Sensor Technologies For Automotive/Mobility Systems How design engineers for original equipment manufacturers (OEMs) of LiDAR systems can choose between differing sensor technologies.  Continue Reading...
The Race To The Starting Line: Edge-Emitting Diode Lasers vs. VCSELs For The Automotive Lidar Market
The Race To The Starting Line: Edge-Emitting Diode Lasers vs. VCSELs For The Automotive Lidar Market The competition to be the leading diode laser source for automotive lidar is not a race to the top, but rather a race to the starting line. Before reaching the goal to implement lidar ADAS in consumer vehicles by 2020, there must be at least one year of certification and testing before going to market.   Continue Reading...
Thin-Film Interference Filters For LIDAR
Thin-Film Interference Filters For LIDAR LIDAR is used for obstacle avoidance in autonomous vehicles, urban planning, security, infrastructure development, and other applications. This app note details how high-performance, ultra-narrowband interference filters improve LIDAR signal-to-noise ratios in specific applications.  Continue Reading...
PbSe Infrared Detectors: It's Easier To Make A Detector Noise Limited System Than You Think
PbSe Infrared Detectors: It's Easier To Make A Detector Noise Limited System Than You Think The key to making an instrument detector noise limited instead of circuit noise limited is understanding the relationships between signal-to-noise ratio and bias voltage, and between optical frequency chopping and detector noise levels.  Continue Reading...
Frequently Asked Questions: Infrared Detectors This white paper covers most frequently asked questions regarding infrared detectors, and provides the answers for each of them.  Continue Reading...
Glossary Of Terms For Detectors This white paper comprises a list of terms and definitions related to detectors.  Continue Reading...
Glossary Of Terms For LEDs And Photodiodes This white paper comprises a list of terms and definitions related to LEDs and Photodiodes.  Continue Reading...
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SENSORS & DETECTORS PRODUCTS

Detect Ionizing Radiation: X Photodiode Series Detect Ionizing Radiation: X Photodiode Series

First Sensor’s X series of photodiodes is utilized to detect alpha, beta, gamma, and X-ray radiation either directly through the absorption in the crystal lattice or indirectly through the measurement of the luminescence radiation of a scintillation crystal. The series features optimized silicon PIN photodiodes that form wide, fully depleted space-charge regions to guarantee maximum radiation absorption, even at low reverse voltages.

Digital Differential Pressure Sensors: HTD Series Digital Differential Pressure Sensors: HTD Series

First Sensor offers the HTD series of piezoresistive differential pressure sensors for use in low pressure ranges and demanding space constrictions. These high-performance, high-accuracy sensors allow for flexible direct manifold assemblies. A digital SPI interface and analog voltage output provides the maximum flexibility for any type of application.

Photodetectors With Integrated, Directly-Deposited Thin-Film Filters Photodetectors With Integrated, Directly-Deposited Thin-Film Filters

Opto Diode introduces two new 13.5 nm directly-deposited thin-film filter photodetectors ideal for electrical performance in many applications, including laser power monitoring, semiconductor photolithography, and metrology systems that utilize extreme ultraviolet light. The SXUV100TF135 and SXUV100TF135B feature a 100 mm2 active area, detection capabilities between 12 nm and 18 nm, and a responsivity of 0.09 A/W at 13.5 nm.

Autoclavable Eternaloc® Connectors And Sensor Housings For Medical Applications Autoclavable Eternaloc® Connectors And Sensor Housings For Medical Applications

SCHOTT Electronic Packaging manufactures custom-made, hermetically-sealed, autoclavable Eternaloc® connectors and feedthroughs made with Glass-to-Metal Sealing (GTMS) or Ceramic-to-Metal Sealing technology (CerTMS®). SCHOTT also produces provide sensor housings offering complete protection with a hermetic seal that helps prevent moisture from seeping into the the housing and causing damage and corrosion to internally-housed electronics components. A wide selection of Transistor Outline (TO) housings are also available.

Single-Channel, Two-Stage, Cooled Infrared (IR) Detector: BXT2-17TF Single-Channel, Two-Stage, Cooled Infrared (IR) Detector: BXT2-17TF

Opto Diode now offers the new BXT2-17TF single-channel infrared (IR) detector designed to provide excellent sensitivity for industrial carbon monoxide (CO) detection in harsh environments. With an integrated 4.67 µm optical bandpass silicon filter and a thermistor, this thermoelectrically-cooled device features excellent performance and high reliability for long life use.

Chemically Strengthened Glass For Displays, Sensors, And Scanners: AGC Dragontrail™ Chemically Strengthened Glass For Displays, Sensors, And Scanners: AGC Dragontrail™

Abrisa Technologies now offers the innovative High Ion-Exchange (HIE™) Asahi Glass Corporation (AGC) Dragontrail™ aluminosilicate glass for cover glass, display, sensor, and scanner technologies. Dragontrail supports low profile, reduced weight, portable field, and industrial devices with a toughness of 6x that of soda lime float. It is designed to enhance the usable lifetime of high contact touch displays, and industrial image sensors, document scanners, and on board vehicular and avionics displays.

Very High Power Water-Cooled Thermal Sensor: 15K-W-BB-45 Very High Power Water-Cooled Thermal Sensor: 15K-W-BB-45

Ophir Photonics’ new 15K-W-BB-45 is a high damage threshold sensor designed to measure continuous laser power from 100 W to 15,000 W over the spectral range from 0.8 to 2 µm and 10.6 µm. This compact, water-cooled, thermal laser power measurement sensor features a deflecting cone and annular absorber that tolerates high power densities up to 10 kW/cm2.

Deep Red Surface-Mount LED: OD-685C Deep Red Surface-Mount LED: OD-685C

Opto Diode presents the OD-685C, a new deep red, surface-mount device (SMD) light-emitting diode (LED). This new device features 2.0 mW of radiant power at a forward current of 20 mA, a peak wavelength of 685 nm, and a radiant efficiency of 56 percent. The LED is designed to deliver outstanding efficiency for applications requiring radiometric measurement with tight spectral bandwidth such as biological analysis, health, science, medical, and veterinary applications.

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SENSORS & DETECTORS NEWS

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SENSORS & DETECTORS VIDEOS

  • Achieving HD, Full Color Video In Low Light
    Achieving HD, Full Color Video In Low Light

    On the last day of SPIE’s 2016 DCS exhibition in Baltimore, Kevin Fogarty with Canon showed us a 19 micron pixel pitch sensor that can achieve a full color and high definition image in extremely low light environments.

  • How To Specify Optical Coatings For Sensor Applications
    How To Specify Optical Coatings For Sensor Applications

    This year at SPIE’s DCS exhibition, Donna with DSI gave us a quick on-location hello from the show floor before turning it over to principle investigator Kevin Gibbons so that he could offer some advice on what you should consider before determining an optical coating’s specifications for sensing applications.

  • Multi-Spectral Imaging And Sensing
    Multi-Spectral Imaging And Sensing

    Marco Snikkers wrapped up our Photonics West 2016 coverage by introducing us to a pixel sensor that acts as an 8-channel spectrometer for biomedical, fluorescence marking, and colorimeter applications, as well as a multi-spectral camera that can monitor specific wavelengths in real-time.

  • Lowering Dark Current, Defects, And Bad Pixel Counts In Imaging Detectors
    Lowering Dark Current, Defects, And Bad Pixel Counts In Imaging Detectors

    Sensors Unlimited — UTC Aerospace Systems cut the ribbon on their new facility on September 17th, 2014. Doug Malchow spent a few minutes with us explaining how the move to a bigger and better place has already resulted in better quality imaging detectors with lower defects, lower bad pixel counts, and much lower dark current.

  • Sensors For A Diverse Range Of Applications
    Sensors For A Diverse Range Of Applications

    Jeff Eng, applications engineer with Hamamatsu, shows us a MEMS FTIR engine for IR spectroscopy instruments that works in applications involving gas sensing, materials analysis, and point of care devices. He also introduces us to 2D InGaAs image sensors for thermal imaging monitors, NIR image detection, and foreign object detection; compact radiation detectors; and more.

  • 12 Micron Camera Core And Silicon PIN Quadrant Detector For Sensing Applications
    12 Micron Camera Core And Silicon PIN Quadrant Detector For Sensing Applications

    Excelitas and Qioptiq have joined together to provide custom optics manufacturing and a wide array of sensor offerings for various applications.

  • New Detector For Beam Position Monitoring, UV Scanners, And Inspection Tools
    New Detector For Beam Position Monitoring, UV Scanners, And Inspection Tools

    Opto Diode’s national sales manager Stan Duda kept us up to date on some new developments at Opto Diode. Watch the video to learn more about a new EUV compatible position sensing detector covering the 0.1 nm to 400 nm spectral range.

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SENSORS / DETECTORS ABOUT DOCUMENT

LIGHT SENSORS & DETECTORS
A light sensor is a device senses or detects light. Various available kinds of light sensors and detectors function in different ways to give required results.
Active pixel sensors which are image sensors comprises of an integrated circuit with a number of pixel sensors. Each individual pixel has a light sensor as well as an active amplifier.
Charge-coupled devices (CCD)
These are applied in recording of images in astronomy, digital cinematography and digital photography.
Chemical detectors
A silver halide molecule is split into an atom of metallic silver and a halogen atom; the photographic developer causes adjacent molecules to split similarly. An example is a photographic plate.
Cryogenic detectors
They are sensitive enough to measure and determine the energy of single x-ray, visible and infrared photons.
Optical detectors
They are normally quantum devices where individual photons produces a discrete effect when exposed to light. This makes Optical detectors to behave like thermometers by responding solely to the heating effect of the incoming radiation.
Photo resistors or Light Dependent Resistors (LDR)
They change resistance according to light intensity. The light then can be measured or determined by measuring the resistance.
Photovoltaic cells or solar cells
When Illuminated they produce a voltage and supply an electric current. Which means the level of illumination is directly dependent on the amount of light being supplied.
Photomultiplier tubes
They contain a photocathode that emits electrons when illuminated. A chain of diodes then can be used to amplify the electrons.
Photo tubes
These contain a photo cathode which when illuminated emit electrons making the tube to conduct an electric current that is proportional to the light intensity.
Proximity Sensors
Has two photodiode arrays which convert light into current; one photodiode array responds to ambient light and the other responds only to infrared light; when joined with an infrared LED, this second LED array can operate as a proximity sensor.
Ambient Light Sensing Application
Ambient light sensors are incorporated in various laptops as well as cell phones to detect the lighting in the surrounding environment and appropriately adjust the backlight of the screen.