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Infrared

How are VCSELs used in biomedical sensors?

March 26, 2025 By Jeff Shepard

Vertical-cavity surface-emitting lasers (VCSELs) are used in biomedical sensors because they emit highly focused, coherent light at specific wavelengths, enabling precise detection and analysis of biomolecules. Applications include blood oxygen level monitoring, optical coherence tomography (OCT) for imaging tissue structures, fluorescence microscopy, and analysis of live biomolecules in lab-on-a-chip systems. VCSELs offer a third option […]

Filed Under: Biometrics, Featured, Frequently Asked Question (FAQ), Infrared, Lighting, Medical Tagged With: FAQ

1/15.8-inch CMOS sensor operates at 2.58 mW for always-on applications

November 5, 2024 By Redding Traiger

OMNIVISION announced the new OV0TA1B monochrome (mono)/infrared (IR) CMOS image sensor, the first and only solution that fits 3mm module Y dimension and smaller notebook computers, webcams and IoT devices. The OV0TA1B is a low-power device that is ideal for artificial intelligence (AI)-based human presence detection (HPD), facial authentication and always-on (AON) technology. The OV0TA1B […]

Filed Under: Artificial intelligence (AI), Image sensing, Infrared, IoT, Sensors, Vision systems Tagged With: omnivision

How do sensing, drones, and AI improve crop growth?

June 14, 2024 By Randy Frank

Successfully growing high-value crops such as fruit (citrus, apples, grapes, cherries, kiwis, table grapes, pomegranates, and more) and nuts (almonds, pecans, pistachios, and more) requires farmers’ continuous attention. If a problem is not detected, the crop yield could be significantly reduced. Sensors provide the foundation and play an essential role in the evolving detection processes. […]

Filed Under: Applications, Artificial intelligence (AI), Cloud sensing applications, Featured, Frequently Asked Question (FAQ), Image sensing, Infrared Tagged With: aerobotics

Tiny IR sensor modules feature modulated carrier output for code learning

August 31, 2023 By Redding Traiger

Vishay Intertechnology, Inc. introduced three new miniaturized infrared (IR) sensor modules for remote control systems. Featuring modulated carrier output for code learning applications, the Vishay Semiconductors dual-lens TSMP95000 and single-lens TSMP96000 and TSMP98000 combine a wide supply voltage range from 2.0 V to 5.5 V with a low typical power consumption of 0.35 mA at 3.3 V. […]

Filed Under: Consumer, Infrared, Robotics, Sensors Tagged With: vishayintertechnology

IR motion sensor also detects still object

July 25, 2023 By Redding Traiger

STMicroelectronics is launching a novel human-presence and -motion detector to enhance security systems, home automation equipment, and IoT devices that typically use passive infrared (PIR) sensing. The STHS34PF80 sensor contains thermal transistors that can detect stationary objects, unlike conventional PIR detectors that require the detected object to be moving to produce a measurable response from the sensor. Also, while […]

Filed Under: Development Tools, Infrared, IoT, Security, Sensors Tagged With: STMicroelectronics

How can mature sensors create new sensing opportunities?

May 31, 2022 By Randy Frank

Pulse oximetry (blood oxygen saturation level in %SpO2) and pulse rate (in beats per minute) have been performed with clamp on the finger measurements for many years. With their built-in display, they are intended for either a health care professional or even the user reading of the measurements. In some instances, these devices even provide […]

Filed Under: Featured, Frequently Asked Question (FAQ), Infrared, Optics

What sensors does NASA use to monitor Martian weather?

April 5, 2022 By Jeff Shepard

The Mars Environmental Dynamics Analyzer (MEDA) on the Perseverance rover is characterizing the surface weather as well as the dust particle size and morphology. Understanding dust behavior is a key to predicting Martian weather. Dust influences Mars’ weather the way that water controls Earth’s weather. Two of MEDA’s weather-related goals are: determination of the destructive […]

Filed Under: Featured, Frequently Asked Question (FAQ), Infrared, Position, Pressure, Speed Tagged With: FAQ

How do time-of-flight sensors work?

March 8, 2022 By Randy Frank

Using the time-of-flight (ToF) principle, a ToF sensor measures the distance between the sensor and an object. The sensor emits a signal that is reflected off an object and then detects the time for a round trip to occur. Typically, either light or sound waves can provide the transmitted signal.  In either case, the distance […]

Filed Under: Distance, Featured, Frequently Asked Question (FAQ), Image sensing, Infrared, laser, RADAR/LiDAR, Sonar, Time-of-Flight, Ultrasonic Tagged With: time-of-flight

Ultra-low-power IC supports accurate measurement of ECG, temperature, differential capacitance and optical signals

February 17, 2022 By Redding Traiger

Ensilica has announced the ENS62020, an ultra-low-power healthcare sensor interface IC for monitoring vital signs in wearable healthcare and medical devices. The chip, which will be initially available with evaluation boards, has been created to meet the needs of a diverse array of home-use and single-use medical sensors – from oximeters to smart plasters – […]

Filed Under: Infrared, Sensors, Temperature Tagged With: ensilica

What sensors are in a smart cane? Pt 1

February 7, 2022 By Randy Frank

Blind or visually impaired individuals have to rely on other senses and typically have heightened capability – especially for hearing and touch. Using a white cane provides feedback in both of these areas. World Health Organization (WHO) data says that there are more than 253 million visually impaired people worldwide. Many of these individuals rely […]

Filed Under: Featured, Frequently Asked Question (FAQ), Infrared, Sonar, Ultrasonic Tagged With: torch-it

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