A position sensitive device and/or position sensitive detector (PSD) is an optical position sensor (OPS) that can measure a position of a light spot in one or two-dimensions on a sensor surface.

Thorlabs offers Position-Sensing Detectors (PSDs) that provide precise position measurements of incident beams. The PDP90A detector is a lateral effect PSD and utilizes a silicon photodiode-based tetra lateral sensor to accurately measure the …

PSDs are optoelectronic position sensors that utilize photodiode surface resistance. Unlike discrete element detectors such as CCDs, PSDs provide continuous position data, high position resolution, and high-speed response.

Position-sensitive detectors are photodetectors with which one can measure the position of a light spot in one or two dimensions, normally with a relatively high speed. The mentioned light spot is usually caused by a laser beam hitting the detector.

Various methods are available for detecting the position of incident light, including methods using an array of many small detectors and a multi-element detector (e.g., image sensor). In contrast to these, the PSD is a monolithic device designed to detect the position of incident light.

2024年4月30日 · This paper presents a review of the position-sensitive detector (PSD) sensor, covering different types of PSD and recent works related to this field. Furthermore, it explains the theoretical concepts and provides information about its structure and principles of operation.

2023年10月26日 · An Infrared Position Sensitive Detector (PSD) is a type of optoelectronic device that utilizes the properties of infrared light to accurately measure the position of a light spot on its surface. PSDs are highly sensitive and can provide precise positional information in real-time, making them ideal for a wide array of applications, such as ...

Position sensitive detector (PSD) has been extensively used in physics researches for particle detection. There are many kinds of PSD systems for charged particles and photons/lights from infrared, visible, to X-ray. The position decoding anodes, however, are relatively limited.

2025年1月5日 · Discover position sensitive detectors for precise measurements, utilizing photodiode arrays and optical sensing technologies for accurate detection and imaging applications.

Various methods are available for detecting the position of incident light, including methods using an array of many small detectors and a multi-element detector (e.g., image sensor). In contrast to these, the PSD is a monolithic device designed to detect the position of incident light.