Smart Fibres Ltd. has released the Wx series high-speed fiber Bragg grating interrogators. Applications include monitoring the structural health of civil and military aircraft. The Wx has a wavelength range of 1528 to 1568 nm and can scan at a rate of 2.5 kHz over its 40-nm range with a short-term repeatability of <2 pm. It is available with one to four optical channels, each capable of handling a maximum of 16 FBG sensors. The device measures 170 × 280 × 55 mm and weighs 1.8 kg. Power consumption is <25 W, and dynamic range is 20 dB.

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