Marktech expands surface-mount SWIR reflective sensor range

Marktech Optoelectronics Inc of Latham, NY, USA, a privately held designer and manufacturer of standard and custom optoelectronics components and assemblies – including UV, visible, near-infrared (NIR) and short-wave infrared (SWIR) emitters, detectors, indium phosphide (InP) epiwafers and other materials – has expanded its surface-mount (SMD) SWIR reflective sensor family.

Marktech says that the alignment and sensitivity of its surface-mount SWIR reflective sensors make them suitable for position sensing and detection applications, including card, barcode, edge sensing and money bill readers.

The firm’s surface-mount SWIR reflective sensors combine both a short-wavelength infrared emitter and a high-sensitivity indium gallium arsenide (InGaAs) photodiode. Emitted light from the sensor is reflected back to the detector side as an object enters the sensing area, with an optimal short detection distance of 0.5-1.5mm. The series is offered in six standard models, each with its own unique peak emission wavelength from 1040nm to 1625nm. Each element is spectrally and mechanically matched and then seamlessly integrated within a single, compact, 4-pad SMD black molded housing. The black housings are designed to help reduce the risks of measurement uncertainty created by external ambient light effects. The series’ overall footprint measures just 5.1mm x 3.3mm, easing installation within space-constrained environments. Units are both REACH and RoHS compliant.

Small-to-medium-sized quantities of standard surface-mount SWIR reflective sensors are typically available with 24-hour shipment from stock via Marktech’s longtime distribution partner Digi-Key Electronics. Sensor customization is also available on request, in quantities ranging from prototypes to OEM volumes. Full production volumes are typically available within 6-8 weeks from customer prototype approvals.

Tags: Marktech Optoelectronics

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