In today’s rapidly advancing technological landscape, optical sensors play a pivotal role across various industries, from telecommunications and healthcare to automotive and environmental monitoring. These sensors, which include diodes, photodiodes, and sensor arrays, and more are crucial for detecting and converting light into electrical signals, enabling a wide range of applications that are integral to modern life.
Optical sensors harness the unique properties of light to perform tasks that would be impossible or inefficient with traditional sensing technologies. Whether it’s the precise detection of light intensity, the accurate measurement of distance, or the monitoring of environmental conditions, these sensors provide the high sensitivity and fast response times needed for complex tasks.
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Explore our wide offer of optical sensors,. Excelitas Technologies is our renowed partner specialising in state of the art components.
Avalanche Photodiodes
We offer Excelitas Technologies Avalanche Photodiodes (APDs) on both Silicon (Si) and InGaAs materials. * Si APDs cover the spectral range of 400 nm to 1100 nm * InGaAs APDs cover 950 nm to 1550 nm.
An Avalanche Photodiode (APD) provides higher sensitivity than a standard photodiode and is for extreme low-level light (LLL) detection and photon counting.
These PIN and APD Hybrid receivers comprise of a APD and a transimpedance amplifier in the same hermetically- sealed package.
Having both amplifier and photodetector in the same package allows low noise pickup from the surrounding environment and reduces parasitic capacitances from interconnect allowing lower noise operation.
High Power Laser Diodes – pulsed semiconductor lasers in the near IR are commonly used for long-distance time-of-flight or phase-shift range-finder or LiDAR systems.
We offer an Excelitas broad range of ideally-suited pulsed 905 nm laser designs including multi-cavity monolithic structures with up to 4 active areas per chip resulting in up to 100 W of peak optical output power.
Physical stacking of laser chips is also possible, resulting in up to 300 W of peak optical output power.
Infrared Emitting Diodes (IREDs) – VTE – are solid state light sources emitting in the near infrared part of the spectrum. The emission wavelength is closely matched to the response peak of silicon photodiodes and phototransistors.
The product line provides a broad range of mounting lens and power output options. Both end and side radiating cases are available. Wide arrays of emission beam profiles are available. Devices may be operated in either CW or pulsed operating modes.
Blue Enhanced Si Photodiodes – VTB series – Ultra High Dark Resistance, designed for optimum response to the visible light spectrum, this photo diode array series comprises P on N silicon planar photodiodes that can be operated variably under photovoltaic mode and a small reverse bias.
Fast Response Silicon Photodiodes – VTP Series – Photodiodes designed for low junction capacitance, for applications that require an excellent response in the IR-spectral range.
Industry Standard Silicon Photodiodes – which have been used in many applications as replacement for competitive devices, VTD series of planar silicon photodiodes. These come in molded plastic packages that transmit infrared signals while blocking visible light.
Optoelectronic Components for Smoke Detection – electro-optical smoke detector units generally comprise two components: an emitting diode and a photodiode assembly. These components enable the device to accurately detect the presence of smoke and are well-equipped to address the requirements of electro-optical smoke detectors.
Photodiodes for Radon Detection – the VTH21 series of photodiode sensors by Excelitas provides excellent radon detection capabilities. These sensors come with a robust chip design for the optimal detection of alpha particles emitted by radioactive materials like radon gas. They also have low capacitances to be more responsive against any radiation of interest and come in two configurations, namely the 5x5mm and 10x10mm, with both offering large active areas for maximum detection of low-level radiation.
Ambient Light Sensors – for applications that require a response similar to the human eye, then our ambient light sensors are the ideal solution. IR-filtered silicon phototransistors and IR-filtered silicon photodiodes can be used to measure ambient light intensity to trigger a response from the device.
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