SNSPDs have been widely used in various applications requiring single photon detection thanks to their attractive performances. Since SNSPDs are thin films of serval nanometers in thickness, they are ...

Sound technology: the optomechanical ultrasound sensor array chip with optical fibre block array access. (Courtesy: IMEC) A highly sensitive optomechanical ultrasound detector integrated onto a ...

InGaAs detectors have paved the way for near-infrared detection in industrial applications. Bob Grietens of XenICs describes the latest advances in InGaAs NIR camera technology. Commercially available ...

The significance of the entrance slit and the diffraction grating in forming a spectral image of the incident light in the image plane is discussed in the articles “An Introduction to a Spectrometer: ...