Among the many ways to sense temperature, combinations of advanced optical principles used with optical fibers offer very different approaches, with application advantages and implementation limitations. The previous part of this article looked at two approaches to using optical fibers for temperature sensing based on the fiber Bragg grating (FBG) and the Mach-Zehnder interferometer (MZI). […]
Sensors
Analyzing different proximity sensor technologies
Utilized as a no-touch method to provide either precise distance measurement to an object or simple “there/not there” logic, proximity sensors span a wide range of technologies, each offering their own set of operating principles, advantages, and drawbacks. Some of the most commonly found technologies in portable or small embedded systems include ultrasonic, photoelectric, laser […]
Calibrated and ISO 17025-certified sensors for drugs and perishable goods transportation
Sensirion has announced its new calibrated and ISO 17025-certified humidity and temperature sensors. These sensors enable customers to achieve cost-efficient GDP-compliant supply chain monitoring of drugs, vaccines, and perishable goods. Highly regulated products, such as pharmaceutical or perishable goods, typically require special handling along their distribution chain to comply with several directives. Manufacturers are obligated […]
Five, six-junction vertical-cavity surface-emitting laser arrays target consumer, automotive LiDAR, 3D sensing apps
Lumentum Holdings Inc. announced new high-power and high-efficiency five and six junctions vertical-cavity surface-emitting laser (VCSEL) arrays for advanced consumer, automotive LiDAR, and other 3D sensing applications. The use of LiDAR and 3D sensing is expanding into new applications in the consumer electronics, automotive, and industrial markets. New applications and new functionality are driving the need for higher […]
Shot camera, sensor development kits get middleware support for global public clouds
ON Semiconductor has announced that the RSL10 Smart Shot Camera and the RSL10 Sensor Development Kit have been pre-integrated within the Bosch IoT Suite, the Bosch Group’s core software platform and core software ecosystem for the Internet of Things (IoT). The RSL10 Smart Shot Camera and the RSL10 Sensor Development Kit are complete node-to-cloud solutions […]
4-in-1 MEMS sensor measures gases, humidity, temperature and barometric pressure
Whether at home, in the office, or outdoors, we need to be confident that the air around us is clean and safe to breathe – COVID-19 has clearly highlighted the importance of air quality. Due to the particulates, gases, and even airborne viruses ubiquitously present in our modern environment, poor air quality has an increasingly […]
Free sensor dataset for ADAS/AV R&D includes full-waveform data from flash LiDAR sensors
LeddarTech announces its first publicly available sensor dataset for advanced driver assistance and autonomous driving research and development called the Leddar PixSet. This dataset is the first of its kind in the industry to include full-waveform data from LeddarTech’s Leddar Pixell, a 3D solid-state flash LiDAR sensor. LeddarTech will offer these datasets free of charge for academic and […]
Power sensors make high-speed, high-accuracy RF measurements up to 67 GHz
Rohde & Schwarz has increased the maximum measurable frequency of its three-path diode power sensors to 67 GHz. The three-path technology enables extremely fast and accurate power measurements with a high-sensitivity, portable instrument of minimum size and weight. This frequency extension makes high-speed power measurements possible for additional applications such as IEEE 802.11ay and 802.11ad […]
Low-power MEMS barometric pressure sensor targets drone, IoT apps
TDK Corporation announces the InvenSense ICP-20100 platform, the latest technology advancement in the SmartPressure product family. The ICP-20100 is a barometric pressure sensor based on MEMS capacitive technology, improving our lead in the development of ultra-low noise at the lowest power and progressing our industry-leading relative accuracy, sensor throughput, and temperature stability. The ICP-20100 achieves […]
New 0.7-micron pixel smartphone image sensor brings 32-MP resolution to selfie cameras
OmniVision Technologies, Inc. announced in advance of CES the OV32B image sensor, featuring a 0.7-micron pixel size to provide 32 megapixel (MP) resolution in a 1/3” optical format. This enables smartphone designers to offer the highest possible front-facing, selfie camera resolution in the limited space available. The OV32B also supports 2- and 3-exposure HDR timing for up to […]