ROHM Optical Sensors

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Applications

In addition to higher output and greater miniaturization, ROHM sensors offer a high degree of sensitivity ideal for a wide range of applications, from automation, motion sensing, and measurement to security, surveillance, and more.

ROHM optical sensing solutions include proximity and ambient light sensors, photo-interrupters, infrared LEDs, photosensors, photodiodes, phototransistors, ambient light sensor ICs, and 4-direction detectors.

Here’s a quick 2-minute video covering ROHM considerable optical portfolio

Presenters

Laser Diodes

ROHM laser diodes offer excellent temperature characteristics along with high COD and ESD resistance for barcode scanners used in receipt management. Adopting an end-face window structure prevents localized heat generation and overcurrent damage due to static electricity.

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VCSEL Module Technology

ROHM’s VCSEL technology achieves greater accuracy in spatial recognition and distance measuring systems by using Time Of Flight (TOF) systems.

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Optical Sensors

ROHM's considerable lineup of optical sensors include high sensitivity, high reliability phototransistors,infraredlight emitting diodes,transmission/reflective type photointerrupters.

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Thermal Printheads

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Motor Drivers

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Laser Diodes

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ROHM proposes laser diodes that support a wide range of needs in the consumer, industrial, and automotive markets, including high power metal CAN package types that provide high accuracy long range sensing with narrow emission width ideal for robot vacuums and AGVs (Automated Guided Vehicles). Also offered is a new surface mount VCSEL solution that allows for short distance wide range sensing and contributes to the miniaturization of LiDAR/ToF ranging modules by adopting a proprietary structure to achieve a single lobe narrow beam point, making it ideal for facial recognition, industrial robots and driver monitoring systems.

With the unprecedented need for contactless sensing due to the global pandemic, optical sensors have been utilized in sanitizer dispensers at long-term healthcare facilities to ensure health and safety compliance.

In industrial and commercial applications, optical sensors are also being used for distance and temperature sensing and automation in Industry 4.0 applications. For example, optical sensors can detect liquid levels in process engineering facilities, such as petroleum levels in tank farms and hydrocarbon refineries, by integrating an infrared LED, light transistor, and a transparent prism tip.

Optical sensors are also being used for ambient light sensing in consumer electronics such as smartphones, with advantages such as extending battery life and optimizing screen brightness to match the amount of lighting in the environment.

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