Sensors and detectors

Technology leaps in quantum sensing - Advances in nano magnetometry using tailored electronics and fast-switchable lasers

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Taking advantage of collective quantum effects has enabled the so-called first quantum revolution in the 20th century for technologies such as nuclear magnetic resonance spectroscopy, magnetic resonance imaging, and the development of transistors, LEDs, solar panels, and lasers. Today, amid the second quantum revolution new sensing schemes offer higher sensitivities and better resolution thanks to the possibility to detect and control individual quantum states in microscopic systems like atoms, quantum dots, or color centers.

Position-sensing detectors characteristics

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Silicon photodetectors are commonly used for light power measurements in a wide range of applications such as bar-code readers, medical imaging, spectroscopy, and laser printers.  There is another function, however, which utilises the photodetectors as optical position sensors. They are widely referred to as Position Sensing Detectors (PSDs). The applications vary from human eye movement monitoring, 3D modelling of human motion to laser, light source, and mirrors alignment.

Focuslight announces eye-safe wide angle diffuser for lidar and 3D sensing applications

Focuslight technologies, a global provider of high power diode lasers and micro optics, announced the LIMO Wide Angle Diffuser at SPIE Photonics West 2020. Designed for automotive LiDAR and 3D sensing applications, the LIMO Wide Angle Diffuser is a glass refractive optical element (ROE) with the ability to disperse laser light in one direction up to a full illumination angle, ranging from a few mrad up to 150 degrees. When combined with a second functional surface, the light can also be shaped at any desired angle in the other direction.

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