SLD is an optical device that can provide output equivalent to LD (Laser Diode) and low coherence equivalent to LED (Light Emitting Diode), and has a wider spectral width. Because SLDs reduce coherent noise and achieve high-precision measurement, they can be used in a wide range of sensing fields, including photo application measurement and medical ...
The difference is usually price, feature set, and size. An instrument typically has a front panel with knobs and button adjustments and some form of display to track how the laser diode is operating. These can all be automated with computer control via USB, RS-232, RS-485, or GPIB. An instrument is usually powered by AC, ...
An efficient laser-diode(LD) pumped Nd:YAG extracavity frequency conversion all-solid-state. quasi-continuous- wave(QCW) ultraviolet laser at 266nm was reported. The laser adopted LBO and BBO as the second and fourth harmonic generation crystals, and was pumped by three LD co nfig urations (high polarization LD, low polarization LD and low polarization LD with a Brew ster plate)in ...