EDN

Photodiodes and other Light Sensors, Part 1

Editor’s note: This article will be in two parts. Part 1 is component-related and Part 2 is applications. Please also see Planet Analog blog “LEDs Are Photodiodes Too” as an intro to this article.
Phys.org

New photodiode with extremely low excess noise for optical communication and long range LIDAR

Optical pulses, which appear as a flash of light, are used to transmit information in high speed optical fibers, and are increasingly used in Light Detection And Ranging (LIDAR) for 3-dimensional ...
Electronics Weekly

Five different IR LEDs and a photodiode in the same package for spectroscopy

Marktech had revealed the latest in its line of sensors which combine many LEDs of different wavelengths with a photodiode. MTMD142345PDT38 has five LEDs at 1.04, 1.2, 1.3, 1.46 and 1.55μm, plus an ...
Business Wire

New Photodiode From ams OSRAM Improves Performance in Visible and IR Light Applications

New TOPLED® D5140, SFH 2202 photodiode provides higher sensitivity and much higher linearity than standard photodiodes on the market today Wearable devices using the TOPLED® D5140, SFH 2202 will be ...
Electronic Design

Single LED Takes On Both Light-Emitting And Detecting Duties

Sometimes people forget that light-emitting diodes can also detect light quite well. They're usable in a wide range of applications as inexpensive, readily available optical detectors. Typically, an ...
EDN

Photodiodes and other Light Sensors, Part 2

In this section we shall discuss the interface between a photosensor and its associated electronics. There are really just two photocell applications – light measurement, and the reception of ...