Abstract: We report a compact high-power narrow-linewidth 509 nm widely tunable single-frequency vertical-external-cavity surface-emitting laser (VECSEL) for the preparation of cesium Rydberg states.

Therefore, the sensor fabricated by PCF cladding mode has the advantages of a wide RI measurement range, narrow FWHM, and high sensitivity. This is of high reference value in the experimental study of ...

Despite the existence of FPGAs and CPLDs, there’s still a necessity for very small programmable logic devices. GALs, PALs, and other old tech just won’t cut it, though, and so we are left with ...

While hacking a wireless presenter doesn’t sound like something worthwhile or interesting, [Niels Teusink] demonstrates that these little devices often are a lot more powerful than we give them ...