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Tech Focus: Optical System Products

Oct. 11, 2021

Optical Sensor Detects Particles as Small as 0.3µm

Farnell, an Avnet Company, increased its range of high-quality sensor products with the introduction of the SN-GCJA5, a particulate matter (PM) laser sensor from Panasonic Industry Europe. Designed in response to the increasing worldwide concern for indoor air quality, the SN-GCJA5 is well suited for air quality monitoring, air conditioners, building automation, smart homes, HVAC, air purifiers, Internet of Things (IoT) devices, test and measurement, and environmental monitoring applications.

The SN-GCJA5 Laser Type PM Sensor features an innovative optical assembly to provide reliable operation over a long lifetime while accurately detecting particles as small as 0.3µm. Advanced laser-scattering technology enables the sensor to provide a fast response when detecting smoke, environmental dust, and other unwanted dangerous pollutants. Measuring 37x37x12mm, the SN-GCJA5 can be easily integrated into a wide range of air quality monitoring devices. It offers uncomplicated I²C and UART (TTL) connectivity and challenges conventional LED-based concepts in many areas.

Farnell

VIAVI Expands Fiber Test Portfolio

Viavi Solutions' latest fiber test and measurement solutions expands a portfolio for fiber optic testing. New optical power meters, fiber characterization modules, and an enhanced Optical Time Domain Reflectometer (OTDR) solution enable service providers, colocation and hyperscale data centers, enterprises and contractors to reduce costs, improve quality of service, minimize downtime and speed time to revenue.

As networks expand and transform to meet tomorrow’s demands, new processes, tools and solutions are needed to address rapidly changing business and network needs. The comprehensive VIAVI fiber portfolio continues to evolve with a full range of essential instruments, systems and software required to address today’s fastest growing technologies and functional needs, providing end-to-end support for the construction, activation, monitoring and maintenance of fiber optic services.

VIAVI

Semtech Addresses 5G Wireless Front Haul With its Latest 50Gbps Tri-Edge CDR IC Solution

Semtech announced sampling of the latest member of its Tri-Edge CDR portfolio, the GN2256. Integrating Semtech’s Tri-Edge CDR platform with a differential EML (Externally Modulated Laser) driver, the GN2256 is the industry’s first such IC solution to enable 50Gbps PAM4 Fixed-WDM (Wavelength Division Multiplexing), Tunable WDM and Silicon Photonics optical modules. As with all Tri-Edge ICs, the GN2256 offers ultra-low latency, low power and use of low cost 25Gbps bandwidth optics to operate at 50Gbps PAM4.

[Editor's note; we recently talked to Raza Khan, senior marketing manager at Semtech, about the company's 5G front-haul applications here: Integrating 5G into the Wireless Infrastructure.]

The GN2256 combines Semtech’s proprietary analog Tri-Edge technology with enhanced laser driver compensation to enable IEEE and Open Eye MSA compliant optical modules over industrial temperature ranges. Semtech’s Tri-Edge 5G platform addresses the full range of optical modules needed for all regions by enabling multiple types of SFP56 optical modules operating at 50Gbps PAM4.

Semtech

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