Spectral Response
sensitivity of sensor to a specific wavelength over a spectral band.
See Also: IPCE
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Spectral Response (Spectral Sensitivity) Measurement
It is used to measure the spectral response (spectral sensitivity) of photoelectric conversion devices (photodetectors / sensors) such as silicon photodiodes and CCD · CMOS image sensors . Measurement in the broadband wavelength region can be performed with low stray light.
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Spectral Response SystemsQuantum Efficiency SystemsIPCE Measurement Systems
QE system provides electronics and software designed for fully automated measurement of external quantum efficiency of solar cells. All systems include probes and a fixed plate sample stage for samples up to 150 mm x 150 mm. The main system components include: custom designed software, measurement electronics, and computer system (Windows 8 operating system). The measurement involves focusing monochromatic light to a spot on the device under test, then accurately measuring the photon flux and current from the test cell. The system utilizes a dual beam configuration with lock-in detection, providing an absolute accuracy of ±3%. The QE system uses a grating monochrometer with silicon/InGaAs/Ge detectors. The system includes automatic order sorting filters and two light sources for monochromatic illumination (a Xenon- arc lamp and a halogen lamp). A single lock-in amplifier is used to measure both the reference detector and test device. The main system comes with all the hardware needed to measure quantum efficiency, a fixed plate sample stage and probes.
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Luminance Probe
LP471LUM2
Photometric probe for measuring the LUMINANCE, spectral response according to the photopic curve, angular field 2°.
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Ambient Light Sensors
Renesas' ambient light sensors optimize display backlighting, enhance energy efficiency, and improve user experience with ultra-low light sensitivity, low power consumption, and precise spectral response. Our offerings include light-to-digital sensors with IR blocking filters and I2C interfaces, and light-to-analog solutions integrating photodiodes and amplifiers. Designed for automotive, industrial, and medical applications, these sensors deliver reliable performance even in demanding environments.
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USB Smart Detector
OL 731
The OL 731 USB Smart Detector is a low-cost, hand-held radiometer/photometer that can be tailored to the spectral response of the user's specific application requirements with the use of a range of sensors and filters. Several units can be multiplexed on to one USB, and it can be programmed to read in any user-specified radiometric or photometric unit. The OL 731 is suitable for a variety of critical applications.
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UV TOCONs
SiC based UV sensor with integrated amplifier and 0 – 5 V voltage output. Measures intensities from 1.8pW/cm² up to 18W/cm². Spectral response for broadband UV or filtered for UVA, UVB, UVC or UV-Index. Also available for blue light (GaP chip) or visible light (Si chip) measurement. Available in TO5 housings or as miniature sensor probes (stainless steel or plastic). Special TOCONs for hydrogen flame sensing (TOCON_F) and for fire detection (TOCON_N) available. Also available for operating temperatures up to 120°C (standard is 85°C). Please learn more about the sglux TOCONs here: TOCON selection guide and here: TOCON User Guide.
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Light Meters
LXP-2
The digital light meter is a precision instrument used to measure illuminance (Lux, footcandle) in the field. It is meet CIE photopic spectral response. It is fully cosine corrected for the angular incidence of light. The illuminance meter is compact, tough and easy to handle owing to its construction. The light sensitive component used in the meter is a very stable, long-life silicon photo diode and spectral response filter.
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EQE/Photon-Electron Conversion Testing
Enlitech offers different solutions for incident photon-electron conversion testing systems. The available systems include IPCE, PV External quantum efficiency (PV-EQE), Internal Quantum Efficiency, Spectral Response (SR), Highly-sensitive EL-EQE. There are over 1,000 SCI papers cited Enlitech‘s systems to provide reliable experimental data for significant scientific publication. The Highest PV-EQE sensitivity and EL-EQE both reach 10-5 % (7 orders). They can be utilized to PV conversion efficiency, HJT/ PERC/TOP-CON current-loss analysis, Organic PV charge-transfer-state and Perovskite PV trap state measuring, and Organic PV and Perovskite PV Voc loss analysis.
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Illuminance Probe
LP471PHOT
Photometric probe for measuring the ILLUMINANCE, spectral response according to the photopic curve, class B according to CIE N° 69, cosine correction diffuser.
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UV A Radiometer
UVS-A-T
The UVS-A-T has a broad spectral response optimised for precise measurements of atmospheric UV-A irradiance.
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Ultra-Micro Spectrometers
UltraMicro
spectro-module is constructed by a new invented technology and can provide high optical resolution and fast spectral response. The optical engine is very simple and optimized for the spectrometer. The optical bench is very rigid and stable for measurement system. The compact size is very flexible for system integration.
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Complete Testing Solutions
System includes a lamp and monochromator for a tunable light source, which is coupled to a high sensitivity source meter with measurement software. This user-friendly system is the most powerful Spectral Response system currently on the market, but its true power is the ease of upgrading from the base PTS-1 to the more powerful PTS-2-QE (Quantum Efficiency) or PTS-3-CPM (Constant Photocurrent Method). Designed for researchers who have limited budgets but want to start work immediately, this allows the ability to do baseline studies until additional funding for the full QE or CPM system becomes available.
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Extreme Low Power Detector Laser Power Meters
11XLP12
11XLP12 extreme low power detector is best suitable for low power im both the µW and mW regimes with very low thermal drift. Featuring broadband flat spectral response, minimal thermal drift and a noise equivalent power as low as 1 µW the 11XLP12 is ideally suited for measuring any pulsed or CW low power laser.
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Power Probes
RkT Thermopile Series
The RkT Series thermopile power probes are ideal for measuring Nd:YAG, CO2, and other mid-power lasers. The probes are designed to withstand average power densities up to 20kW/cm2 (15MW/cm2 peak pulse power density). The flat UV to far-IR spectral response allows the probes to measure broadband sources as well. Measure the power of cw sources or the average power of sources pulsed at 5Hz or greater.
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Pyrgeometer Low Temperature dependence of sensitivity
CGR 4
CGR 4 pyrgeometer is an instrument for the highest quality scientific measurements. The specially designed meniscus dome provides a 180 field of view with negligible directional response error. A hard-carbon coating on the outside of the dome smoothes the spectral response and provides extra protection to the silicon surface.
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SiTek UV PSD
The UV PSD is a detector optimized for use in the UV wavelength region 200-400 nm, although its spectral response reaches up to 1100 nm. The sensitivity in the UV region (200-400 nm) is extremely high. The UV-PSD has the same outstanding specifications as the standard SiTek PSD.
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Solar Cell Characterisation
The PVE300 permits the determination of device spectral responsivity (from which may be determined EQE), and, having performed measurements of sample reflectance (and transmittance where required) the determination of IQE.
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Hybrid Picosecond Photon Detectors
HPPD Series
technology.The HPPD is our latest development in TCSPC detector technology that combines the benefits of conventional PMT design (wide spectral response and large active area)with the advantages of solid state APD technology (good detection efficiency, negligible after-pulsing and exceptional temporal resolution). Hybrid detectors are becoming thefirst choice for FLIM and short lifetime determination.
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Radiometer Spectral sensitivities precisely adapted to the human skin
UVS-E-T
The UVS-E-T has a spectral response that is adapted to the erythemal (sunburn) action spectrum of the human skin (CIE 1987 weighting). Hence, this radiometer collects information of medical and public concern: UV Index, UV Erythemal dose and dose rate.
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Spectral Responsivity
Standard detectors calibrated in spectral responsivity and spectral irradiance. Traceable calibrations in the wavelength range from 200 nm to 1800 nm.
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Frequency Response Function
FRF
FFT Spectral Analysis. Frequency Response Function (FRF) is a commonly used measurement type of the Dynamic Signal Analyzer. FRF is defined as the ratio of response i.e. acceleration, velocity, or displacement with respect to the excitation force which is the reference.
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Image Sensor/Fingerprint-on-Display Testing
Enli Tech provides the most advanced optical and non-destructive inspection technology, which can de-convolute the digital images back to the analog properties, such as quantum efficiency, spectral response, system gain K, Dynamic Range (DR), PRNU, DRNU, Linearity Error LE, and Chief-Ray-Angle (CRA). The testing solution can be applied to CCD and CMOS image sensors in aerospace, defense, and scientific camera field. Image sensor packages that can be tested by Enli Tech’s systems include bare wafers, dies, chips, or camera modules. Our image sensor testers can help users reduce the sensor-modules or camera-modules development time and RD budget.
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Radiometer Spectral sensitivities precisely adapted to the measurement task
UVS-B-T
Compared to the spectral response of the UVS-E, the UVS-B-T has a sharper cut-off at the transition from UV-B to UV-A. This feature reduces the UV-A contribution to the radiometer output and permits the highest possible correlation to atmospheric UV-B irradiance.
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Ambient Light Sensors
Renesas' ambient light sensors can adjust a display’s backlight, which improves user experience and power savings by optimizing the display’s viewability. Their ultra-low light sensitivity, low power consumption, ideal spectral response, and easy to use simple output algorithm make them best-in-class. We offer a full suite of light-to-analog and light-to-digital solutions to suit your applications requirements and budget.
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Solar Energy, PV Monitoring
Apogee silicon-cell pyranometers feature a monocrystalline silicon-cell detector that has the same spectral response as a PV module. The sensors quantify shortwave radiation being harnessed as electricity.
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Power Probes
RkP-400 Series
The RkP-400 Series probes consist of a compact head containing the detector and a preamplifier housed in a separate enclosure. The external dimensions of all the 400 Series Probes are the same, with identical detector planes, allowing for easy interchange of probes in an experiment. The heads have both ¼-20 and M6 tapped holes, a built-in 1” (25mm) filter holder, and a side-mounted BNC connector. Probe specific data, including spectral response curves and calibration dates, is stored in the preamplifier for access by the instruments.
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Light Sensor
NaPiCa
Panasonic Industrial Devices Sales Company of America
Visible light sensor (Silicon Photo IC) that detects light and converts into electrical current. Consists of a photodiode and built-in amplifier. Optical filter provides spectral response similar to human eye sensitivity. Applications include: LCD Backlight Control, Commercial and Residential Lighting Brightness Control, Security Lighting.
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Thermopile Power Sensors
Thermopile optical power sensors are based on thermocouples. A thermocouple consists of two dissimilar metals connected in series. To detect radiation, one metal junction is typically blackened to absorb the radiation. The temperature rise of this junction with respect to another non-irradiated junction generates a voltage. Our thermopile power sensors offer broadband, spectrally flat response, and calibrated plug and play operation with our optical power meters.
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Energy Probes
RjP-400 Series
The RkP-400 Series probes consist of a compact detector assembly, or head, and a preamplifier housed in a separate enclosure. The external dimensions of all the 400 Series Probes are the same, with identical detector planes, allowing for easy interchange of probes in an experiment. The heads have both ¼-20 and M6 tapped holes, a built-in 1" (25mm) filter holder, and a side-mounted BNC connector. Probe specific data, including spectral response curves and calibration dates, is stored in the preamplifier for access by the instruments.
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Digital Lux Meter
PM-3
Is a compact, lightweight & easy to use Illuminance meter. The sensor is a highly stable silicon photo diode having a wide measuring range. Its spectral response is closely matched with the CIE relative photopic luminosity curve by multi-element glass filters. The sensor is also cosine corrected for true response at variable incidence angles.
