{"id":2366,"date":"2026-11-07T17:00:00","date_gmt":"2026-11-07T08:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=2366"},"modified":"2026-11-05T20:52:14","modified_gmt":"2026-11-05T11:52:14","slug":"qs-laser-threshold-magnetometry-20261105","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=2366","title":{"rendered":"NV\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u3067\u3001\u4fe1\u53f7\u306e\u898b\u3084\u3059\u3055\u3068\u611f\u5ea6\u304c\u305a\u308c\u308b\u7406\u7531"},"content":{"rendered":"<p>\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u306e\u4fe1\u53f7\u3092\u5927\u304d\u304f\u898b\u305b\u308b\u3053\u3068\u3068\u3001\u3088\u308a\u5f31\u3044\u78c1\u5834\u3092\u6e2c\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u306f\u3001\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4fe1\u53f7\u306e\u5909\u5316\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3082\u3001\u305d\u308c\u4ee5\u4e0a\u306b\u5149\u6e90\u304c\u63fa\u3089\u3052\u3070\u3001\u5c0f\u3055\u306a\u78c1\u5834\u306e\u5909\u5316\u306f\u898b\u5206\u3051\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>Shao Qi Lim\u6c0f\u3089\u306f\u3001\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u306eNV\u4e2d\u5fc3\u3092\u5c0f\u578b\u306e\u30ec\u30fc\u30b6\u30fc\u5171\u632f\u5668\u306b\u7d44\u307f\u8fbc\u307f\u3001\u3053\u306e\u9055\u3044\u3092\u5b9f\u9a13\u3067\u8abf\u3079\u307e\u3057\u305f\u3002\u30ec\u30fc\u30b6\u30fc\u304c\u767a\u632f\u3092\u59cb\u3081\u308b\u5883\u76ee\u306b\u8fd1\u3065\u3051\u308b\u3068\u3001\u4fe1\u53f7\u306e\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306f\u7d045\u500d\u306b\u306a\u308a\u307e\u3057\u305f\u304c\u3001\u6e2c\u5b9a\u3057\u305f\u78c1\u5834\u611f\u5ea6\u306f\u7d042.2\u500d\u60aa\u5316\u3057\u307e\u3057\u305f\u30022026\u5e744\u670821\u65e5\u306e\u521d\u7a3f\u3092\u6539\u8a02\u3057\u305f11\u67083\u65e5\u516c\u958b\u306e\u7b2c2\u7248\u306f\u3001\u4fe1\u53f7\u3068\u96d1\u97f3\u3092\u4e00\u7dd2\u306b\u6bd4\u3079\u308b\u5fc5\u8981\u6027\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\uff3b1\uff3d<\/p>\n<section class=\"influvetor-quick-summary\" aria-label=\"\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f\">\n<p><strong>\u7c21\u5358\u306b\u307e\u3068\u3081\u308b\u3068\uff1f<\/strong><\/p>\n<ul>\n<li>NV\u4e2d\u5fc3\u306e\u30b9\u30d4\u30f3\u306b\u3088\u308b\u5149\u306e\u5438\u53ce\u306e\u5909\u5316\u3092\u3001\u30ec\u30fc\u30b6\u30fc\u306e\u51fa\u529b\u5909\u5316\u3068\u3057\u3066\u8aad\u307f\u53d6\u308b\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u3092\u8abf\u3079\u305f\u7814\u7a76\u3067\u3059\u3002<\/li>\n<li>\u767a\u632f\u306e\u5883\u76ee\u3067\u306f\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u304c\u9ad8\u307e\u308b\u4e00\u65b9\u3001\u30ec\u30fc\u30b6\u30fc\u306e\u96d1\u97f3\u3082\u5897\u3048\u3001\u3053\u306e\u88c5\u7f6e\u3067\u306f\u5b9f\u6e2c\u611f\u5ea6\u304c\u60aa\u5316\u3057\u307e\u3057\u305f\u3002<\/li>\n<li>\u5149\u5b50\u306e\u6570\u306e\u63fa\u3089\u304e\u3060\u3051\u304b\u3089\u8a08\u7b97\u3057\u305f\u9650\u754c\u3068\u3001\u5b9f\u969b\u306b\u6e2c\u3063\u305f\u96d1\u97f3\u306f\u5225\u306e\u6307\u6a19\u3067\u3059\u3002\u52d5\u4f5c\u70b9\u30fb\u6e2c\u5b9a\u5e2f\u57df\u30fb\u96fb\u529b\u306e\u7bc4\u56f2\u3092\u305d\u308d\u3048\u3066\u6bd4\u8f03\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/section>\n<h2>\u78c1\u5834\u306b\u3088\u308b\u5909\u5316\u3092\u3001\u8d64\u5916\u5149\u306e\u5438\u53ce\u304b\u3089\u8aad\u307f\u53d6\u308b<\/h2>\n<p>NV\u4e2d\u5fc3\u306f\u3001\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u4e2d\u3067\u7a92\u7d20\u539f\u5b50\u3068\u70ad\u7d20\u539f\u5b50\u306e\u629c\u3051\u305f\u5834\u6240\u304c\u96a3\u308a\u5408\u3063\u305f\u6b20\u9665\u3067\u3059\u3002\u305d\u306e\u96fb\u5b50\u30b9\u30d4\u30f3\u306e\u72b6\u614b\u306f\u78c1\u5834\u306e\u5f71\u97ff\u3092\u53d7\u3051\u307e\u3059\u3002\u30de\u30a4\u30af\u30ed\u6ce2\u306e\u5468\u6ce2\u6570\u3092\u5909\u3048\u306a\u304c\u3089\u3001\u3069\u306e\u5468\u6ce2\u6570\u3067\u30b9\u30d4\u30f3\u304c\u5fdc\u7b54\u3059\u308b\u304b\u3092\u5149\u3067\u6e2c\u308b\u65b9\u6cd5\u304c\u3001\u5149\u691c\u51fa\u78c1\u6c17\u5171\u9cf4\u3001ODMR\u3067\u3059\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306a\u6e2c\u5b9a\u3067\u306f\u8d64\u3044\u86cd\u5149\u306e\u5909\u5316\u3092\u8aad\u307f\u307e\u3059\u3002\u4eca\u56de\u306e\u88c5\u7f6e\u306f\u3001\u7dd1\u8272\u306e\u5149\u3067NV\u4e2d\u5fc3\u3092\u52b1\u8d77\u3057\u3001\u6ce2\u95771042 nm\u306e\u8d64\u5916\u5149\u304c\u3069\u308c\u3060\u3051\u5438\u53ce\u3055\u308c\u308b\u304b\u3092\u8abf\u3079\u307e\u3059\u3002\u30b9\u30d4\u30f3\u306e\u72b6\u614b\u306b\u3088\u3063\u3066\u3001\u5438\u53ce\u306b\u95a2\u4fc2\u3059\u308b\u4e00\u91cd\u9805\u3068\u3044\u3046\u72b6\u614b\u3078\u79fb\u308b\u5272\u5408\u304c\u5909\u308f\u308b\u305f\u3081\u3067\u3059\u3002\u78c1\u5834\u306e\u5909\u5316\u3067\u5171\u9cf4\u3059\u308b\u5468\u6ce2\u6570\u304c\u52d5\u3051\u3070\u3001\u8d64\u5916\u5149\u306e\u5f37\u3055\u306b\u3082\u5909\u5316\u304c\u73fe\u308c\u307e\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u3092\u4e00\u5ea6\u901a\u904e\u3059\u308b\u3060\u3051\u3067\u306f\u3001\u5438\u53ce\u306e\u5909\u5316\u306f\u5c0f\u3055\u304f\u306a\u308a\u304c\u3061\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u5149\u304c\u5f80\u5fa9\u3057\u3066\u5897\u5e45\u3055\u308c\u308b\u5171\u632f\u5668\u306e\u4e2d\u3078\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u3092\u5165\u308c\u307e\u3059\u3002\u5438\u53ce\u306f\u5171\u632f\u5668\u5185\u306e\u5149\u306e\u640d\u5931\u3068\u3057\u3066\u50cd\u304d\u3001\u30ec\u30fc\u30b6\u30fc\u306e\u51fa\u529b\u3092\u5909\u3048\u307e\u3059\u3002<\/p>\n<h2>\u767a\u632f\u306e\u5883\u76ee\u3067\u3001\u5909\u5316\u304c\u76ee\u7acb\u3064\u7406\u7531<\/h2>\n<p>\u30ec\u30fc\u30b6\u30fc\u306f\u3001\u5149\u3092\u5897\u3084\u3059\u50cd\u304d\u304c\u640d\u5931\u3092\u4e0a\u56de\u308b\u3068\u767a\u632f\u3057\u307e\u3059\u3002\u3053\u306e\u5883\u76ee\u304c\u300c\u3057\u304d\u3044\u5024\u300d\u3067\u3059\u3002\u767a\u632f\u306b\u5341\u5206\u306a\u4f59\u88d5\u304c\u3042\u308b\u3068\u304d\u306b\u6bd4\u3079\u3001\u5883\u76ee\u306e\u8fd1\u304f\u3067\u306f\u3001NV\u4e2d\u5fc3\u306e\u5438\u53ce\u306b\u3088\u308b\u5c0f\u3055\u306a\u640d\u5931\u306e\u5909\u5316\u304c\u3001\u51fa\u529b\u306e\u5927\u304d\u306a\u5272\u5408\u3092\u5909\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u6027\u8cea\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u30ec\u30fc\u30b6\u30fc\u3057\u304d\u3044\u5024\u78c1\u6c17\u8a08\u6e2c\u3067\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306f\u3001\u30de\u30a4\u30af\u30ed\u6ce2\u306b\u3088\u3063\u3066\u5909\u308f\u3063\u305f\u4fe1\u53f7\u306e\u5927\u304d\u3055\u3092\u3001\u3082\u3068\u306e\u5149\u51fa\u529b\u306b\u5bfe\u5fdc\u3059\u308b\u4fe1\u53f7\u3067\u5272\u3063\u305f\u5272\u5408\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u9ad8\u3044\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306f\u5909\u5316\u304c\u76f8\u5bfe\u7684\u306b\u76ee\u7acb\u3064\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u304c\u3001\u5149\u51fa\u529b\u306e\u7d76\u5bfe\u91cf\u3084\u96d1\u97f3\u306e\u5c0f\u3055\u3055\u307e\u3067\u306f\u4fdd\u8a3c\u3057\u307e\u305b\u3093\u3002<\/p>\n<figure style=\"max-width:100%;margin:1.6em 0\"><a href=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-laser-threshold-magnetometry-20261105-figure3-366eb0848ff1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-laser-threshold-magnetometry-20261105-figure3-366eb0848ff1.png\" alt=\"\u78c1\u5834\u306b\u5bfe\u3059\u308b\u51fa\u529b\u306e\u5909\u5316\u3068\u3001\u78c1\u5834\u304c\u5909\u308f\u3089\u306a\u3044\u3068\u304d\u306e\u51fa\u529b\u306e\u63fa\u3089\u304e\u3092\u5225\u3005\u306b\u6e2c\u308a\u3001\u540c\u3058\u52d5\u4f5c\u70b9\u3067\u6bd4\u3079\u308b\u3002\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306e\u5897\u5927\u3060\u3051\u3067\u306f\u78c1\u5834\u611f\u5ea6\u306e\u6539\u5584\u3092\u5224\u5b9a\u3067\u304d\u306a\u3044\u3002\" style=\"display:block;width:100%;max-width:100%;height:auto\" width=\"960\" height=\"1080\" \/><\/a><figcaption>\u78c1\u5834\u611f\u5ea6\u3092\u6bd4\u3079\u308b\u4e8c\u3064\u306e\u89b3\u70b9\u3002Quantum Sea\u4f5c\u6210\u3002\u5b9f\u6e2c\u6ce2\u5f62\u3084\u88c5\u7f6e\u306e\u7e2e\u5c3a\u3092\u8868\u3059\u56f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<p>\u7814\u7a76\u3067\u306f\u3001\u534a\u5c0e\u4f53\u30ec\u30fc\u30b6\u30fc\u306e\u5916\u5074\u306b\u5171\u632f\u5668\u3092\u8a2d\u3051\u305f\u5916\u90e8\u5171\u632f\u5668\u578b\u30c0\u30a4\u30aa\u30fc\u30c9\u30ec\u30fc\u30b6\u30fc\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u306e\u7247\u9762\u306b\u53cd\u5c04\u819c\u3092\u8a2d\u3051\u3001\u305d\u306e\u9762\u3092\u5171\u632f\u5668\u306e\u7aef\u306e\u93e1\u3068\u3057\u3066\u5229\u7528\u3057\u307e\u3057\u305f\u3002\u534a\u5c0e\u4f53\u5185\u90e8\u3068\u5916\u90e8\u3092\u5408\u308f\u305b\u305f\u5171\u632f\u5668\u306e\u7269\u7406\u7684\u306a\u9577\u3055\u306f\u7d0432 mm\u3067\u3059\u3002\u3053\u308c\u306f\u5171\u632f\u5668\u306e\u9577\u3055\u3067\u3042\u308a\u3001\u52b1\u8d77\u5149\u6e90\u3084\u691c\u51fa\u5668\u3001\u30de\u30a4\u30af\u30ed\u6ce2\u56de\u8def\u3092\u542b\u3080\u88c5\u7f6e\u5168\u4f53\u306e\u5bf8\u6cd5\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3068\u5b9f\u6e2c\u611f\u5ea6\u306f\u3001\u9006\u306e\u65b9\u5411\u3078\u52d5\u3044\u305f<\/h2>\n<p>\u3057\u304d\u3044\u5024\u304b\u3089\u5341\u5206\u96e2\u308c\u305f\u52d5\u4f5c\u70b9\u3068\u3001\u8fd1\u3044\u52d5\u4f5c\u70b9\u306e\u7d50\u679c\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306f\u78c1\u5834\u3092\u52a0\u3048\u306a\u3044ODMR\u6e2c\u5b9a\u3001\u5b9f\u6e2c\u611f\u5ea6\u306f\u30d0\u30a4\u30a2\u30b9\u78c1\u5834\u3092\u52a0\u3048\u305f\u6e2c\u5b9a\u304b\u3089\u5f97\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u6761\u4ef6\u3067\u540c\u6642\u306b\u6e2c\u3063\u305f\u4e8c\u3064\u306e\u91cf\u3068\u3057\u3066\u6df7\u305c\u305a\u3001\u305d\u308c\u305e\u308c\u306e\u6bd4\u8f03\u306e\u65b9\u5411\u3092\u898b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<div style=\"max-width:100%;overflow-x:auto\">\n<table style=\"min-width:590px;width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th>\u6307\u6a19<\/th>\n<th>\u3057\u304d\u3044\u5024\u304b\u3089\u5341\u5206\u4e0a<\/th>\n<th>\u3057\u304d\u3044\u5024\u4ed8\u8fd1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ODMR\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8<\/td>\n<td>0.54 \u00b1 0.03%<\/td>\n<td>2.56 \u00b1 0.08%<\/td>\n<\/tr>\n<tr>\n<td>\u5b9f\u6e2c\u306e\u78c1\u5834\u611f\u5ea6<br \/>\u5c0f\u3055\u3044\u5024\u307b\u3069\u3088\u3044<\/td>\n<td>7.6 \u00b1 0.4 nT\/\u221aHz<\/td>\n<td>17.0 \u00b1 0.2 nT\/\u221aHz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>nT\/\u221aHz\u306f\u3001\u96d1\u97f3\u3092\u5e2f\u57df\u5e45\u3067\u898f\u683c\u5316\u3057\u305f\u78c1\u5834\u611f\u5ea6\u306e\u5358\u4f4d\u3067\u3059\u3002\u6761\u4ef6\u304c\u305d\u308d\u3063\u3066\u3044\u308c\u3070\u3001\u5c0f\u3055\u3044\u5024\u307b\u3069\u5f31\u3044\u78c1\u5834\u3092\u898b\u5206\u3051\u3089\u308c\u308b\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u300117.0\u3078\u306e\u5897\u52a0\u306f\u6539\u5584\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u30027.6\u3068\u306e\u6bd4\u306f\u7d042.2\u3067\u3059\u3002<\/p>\n<p>\u611f\u5ea6\u306e\u8a55\u4fa1\u3067\u306f\u3001100\u79d2\u9593\u306e\u691c\u51fa\u4fe1\u53f7\u30921\u79d2\u305a\u3064\u306b\u5206\u3051\u3066\u5468\u6ce2\u6570\u3054\u3068\u306b\u5206\u6790\u3057\u3001\u5171\u9cf4\u4fe1\u53f7\u306e\u50be\u304d\u304b\u3089\u78c1\u5834\u306e\u5358\u4f4d\u3078\u63db\u7b97\u3057\u3066\u3044\u307e\u3059\u3002\u5831\u544a\u5024\u306f\u3001\u78c1\u5834\u3078\u306e\u5fdc\u7b54\u3092\u5916\u3057\u305f\u52d5\u4f5c\u6761\u4ef6\u306e\u96d1\u97f3\u3092DC\u301c500 Hz\u3067\u5e73\u5747\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u78c1\u5834\u306b\u5fdc\u7b54\u3059\u308b\u6761\u4ef6\u3067\u306f\u3001\u5b9f\u9a13\u5ba4\u306e\u4f4e\u5468\u6ce2\u306e\u78c1\u5834\u5909\u52d5\u308450 Hz\u306e\u96fb\u6e90\u7531\u6765\u306e\u6210\u5206\u3082\u73fe\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5024\u3060\u3051\u3067\u3001\u3059\u3079\u3066\u306e\u5468\u6ce2\u6570\u3067\u540c\u3058\u611f\u5ea6\u304c\u5f97\u3089\u308c\u308b\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/p>\n<p>\u7814\u7a76\u304c\u78ba\u8a8d\u3057\u305f\u539f\u56e0\u306f\u3001\u3057\u304d\u3044\u5024\u4ed8\u8fd1\u3067\u8d64\u5916\u30ec\u30fc\u30b6\u30fc\u306e\u96d1\u97f3\u304c\u5927\u304d\u304f\u306a\u308b\u3053\u3068\u3067\u3059\u3002\u5909\u5316\u3092\u76ee\u7acb\u305f\u305b\u308b\u52b9\u679c\u3088\u308a\u96d1\u97f3\u5897\u52a0\u306e\u5f71\u97ff\u304c\u52dd\u3061\u3001\u3053\u306e\u88c5\u7f6e\u3067\u306f\u7dcf\u5408\u7684\u306a\u611f\u5ea6\u304c\u60aa\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u3057\u304d\u3044\u5024\u3092\u4f7f\u3046\u8003\u3048\u65b9\u5168\u4f53\u304c\u6210\u7acb\u3057\u306a\u3044\u3068\u793a\u3057\u305f\u7d50\u679c\u3067\u306f\u306a\u304f\u3001\u3053\u306e\u5b9f\u88c5\u306e\u52d5\u4f5c\u70b9\u3092\u9078\u3076\u969b\u306e\u5236\u7d04\u3067\u3059\u3002<\/p>\n<h2>\u8a08\u7b97\u4e0a\u306e\u9650\u754c\u3068\u3001\u6e2c\u5b9a\u3057\u305f\u5024\u3092\u5206\u3051\u308b<\/h2>\n<p>\u5149\u5b50\u3092\u691c\u51fa\u3059\u308b\u56de\u6570\u306b\u306f\u3001\u5149\u6e90\u304c\u5341\u5206\u5b89\u5b9a\u3057\u3066\u3044\u3066\u3082\u7d71\u8a08\u7684\u306a\u63fa\u3089\u304e\u304c\u6b8b\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u5149\u5b50\u30b7\u30e7\u30c3\u30c8\u96d1\u97f3\u3067\u3059\u3002\u8ad6\u6587\u306f\u3001\u7dda\u5e45\u30fb\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u30fb\u691c\u51fa\u5149\u5b50\u6570\u304b\u3089\u3001\u4ed6\u306e\u96d1\u97f3\u3092\u542b\u3081\u306a\u3044\u5834\u5408\u306e\u611f\u5ea6\u3082\u8a08\u7b97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u78c1\u5834\u3092\u52a0\u3048\u306a\u3044\u9023\u7d9a\u6ce2ODMR\u306e\u6e2c\u5b9a\u91cf\u304b\u3089\u6c42\u3081\u305f\u30b7\u30e7\u30c3\u30c8\u96d1\u97f3\u9650\u754c\u306f\u3001\u3057\u304d\u3044\u5024\u4ed8\u8fd1\u3067520 \u00b1 40 pT\/\u221aHz\u3001\u5341\u5206\u4e0a\u30672.4 \u00b1 0.2 nT\/\u221aHz\u3067\u3057\u305f\u3002520 pT\u306f0.520 nT\u306a\u306e\u3067\u3001\u3053\u306e\u8a08\u7b97\u3067\u306f\u3057\u304d\u3044\u5024\u4ed8\u8fd1\u304c\u6709\u5229\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306f\u5148\u307b\u3069\u306e\u30d0\u30a4\u30a2\u30b9\u78c1\u5834\u4e0b\u306e\u5b9f\u6e2c\u5024\u3068\u540c\u3058\u6761\u4ef6\u306e\u5b9f\u6e2c\u7d50\u679c\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7406\u60f3\u5316\u3057\u305f\u96d1\u97f3\u306e\u898b\u7a4d\u3082\u308a\u304c\u826f\u304f\u3066\u3082\u3001\u30ec\u30fc\u30b6\u30fc\u306e\u6280\u8853\u7684\u306a\u63fa\u3089\u304e\u3092\u542b\u3081\u305f\u6e2c\u5b9a\u6027\u80fd\u304c\u826f\u304f\u306a\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u306e\u30ec\u30fc\u30b6\u30fc\u3067\u306f\u3001\u96fb\u6d41\u3092\u4e0a\u3052\u308b\u3068\u304d\u3068\u4e0b\u3052\u308b\u3068\u304d\u3067\u767a\u632f\u304c\u5207\u308a\u66ff\u308f\u308b\u70b9\u304c\u7570\u306a\u308b\u3001\u5149\u5b66\u7684\u306a\u53cc\u5b89\u5b9a\u6027\u304c\u898b\u3089\u308c\u307e\u3057\u305f\u3002\u51fa\u529b\u304c\u6ed1\u3089\u304b\u306b\u7acb\u3061\u4e0a\u304c\u3089\u305a\u98db\u3076\u3053\u3068\u3082\u3001\u7406\u60f3\u7684\u306a\u30e2\u30c7\u30eb\u3067\u671f\u5f85\u3055\u308c\u308b\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u306e\u5897\u52a0\u3092\u59a8\u3052\u3066\u3044\u307e\u3059\u3002\u8a73\u7d30\u306a\u30e2\u30c7\u30eb\u306e\u4fc2\u6570\u3092\u305d\u306e\u307e\u307e\u4ed6\u306e\u88c5\u7f6e\u3078\u5f53\u3066\u306f\u3081\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<h2>\u5c0f\u578b\u5316\u3084\u7701\u96fb\u529b\u6027\u306b\u3082\u3001\u6bd4\u8f03\u306e\u7bc4\u56f2\u304c\u3042\u308b<\/h2>\n<p>\u534a\u5c0e\u4f53\u306e\u5229\u5f97\u5a92\u8cea\u3001\u5149\u3092\u5897\u5e45\u3059\u308b\u90e8\u5206\u3092\u96fb\u6d41\u3067\u99c6\u52d5\u3067\u304d\u308b\u70b9\u306f\u3001\u3053\u306e\u69cb\u6210\u306e\u7279\u5fb4\u3067\u3059\u3002\u8ad6\u6587\u304c\u793a\u305940\u301c130 mW\u3068\u3044\u3046\u96fb\u529b\u306f\u3001\u305d\u306e\u30ec\u30fc\u30b6\u30fc\u30c0\u30a4\u30aa\u30fc\u30c9\u306e\u99c6\u52d5\u306b\u3064\u3044\u3066\u306e\u5024\u3067\u3059\u3002NV\u4e2d\u5fc3\u3092\u52b1\u8d77\u3059\u308b\u5916\u90e8\u306e\u7dd1\u8272\u30ec\u30fc\u30b6\u30fc\u3084\u3001\u6e29\u5ea6\u5236\u5fa1\u30fb\u691c\u51fa\u30fb\u30de\u30a4\u30af\u30ed\u6ce2\u56de\u8def\u307e\u3067\u542b\u3080\u6d88\u8cbb\u96fb\u529b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u9a13\u3067\u306f\u3001\u7279\u8a18\u306e\u306a\u3044\u5834\u5408\u306b\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u306e\u51fa\u529b\u93e1\u3078\u5165\u308b\u524d\u306e\u7dd1\u8272\u5149\u306e\u30d1\u30ef\u30fc\u3092470 mW\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u5f8c\u306f\u3001\u767a\u632f\u4ed8\u8fd1\u306e\u975e\u7dda\u5f62\u306a\u6319\u52d5\u3084\u6280\u8853\u96d1\u97f3\u3092\u6291\u3048\u308b\u3053\u3068\u3001\u5171\u632f\u5668\u3092\u5b89\u5b9a\u3055\u305b\u308b\u3053\u3068\u3001\u5171\u9cf4\u7dda\u5e45\u306e\u72ed\u3044\u30c0\u30a4\u30e4\u30e2\u30f3\u30c9\u3092\u4f7f\u3046\u3053\u3068\u304c\u8ab2\u984c\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306b\u3088\u308b\u6539\u5584\u306f\u3001\u4eca\u56de\u306e\u88c5\u7f6e\u3067\u65e2\u306b\u5b9f\u8a3c\u3057\u305f\u6027\u80fd\u3068\u306f\u5206\u3051\u3066\u6271\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u3092\u6bd4\u8f03\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u5b9f\u6e2c\u306e\u96d1\u97f3\u30b9\u30da\u30af\u30c8\u30eb\u3001\u78c1\u5834\u3078\u63db\u7b97\u3059\u308b\u4fe1\u53f7\u306e\u50be\u304d\u3001\u6e2c\u5b9a\u5e2f\u57df\u3001\u9577\u6642\u9593\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u304b\u3081\u308b\u3068\u5224\u65ad\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u88c5\u7f6e\u306e\u5c0f\u3055\u3055\u3084\u96fb\u529b\u306b\u3064\u3044\u3066\u3082\u3001\u5171\u632f\u5668\u3084\u5229\u5f97\u5a92\u8cea\u3060\u3051\u306e\u5024\u306a\u306e\u304b\u3001\u6e2c\u5b9a\u7cfb\u5168\u4f53\u306e\u5024\u306a\u306e\u304b\u3092\u305d\u308d\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4eca\u56de\u306e\u7814\u7a76\u306f\u3001\u305d\u306e\u6761\u4ef6\u3092\u5177\u4f53\u7684\u306a\u6e2c\u5b9a\u3067\u5207\u308a\u5206\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u53c2\u8003\u8cc7\u6599<\/h2>\n<p>\uff3b1\uff3dShao Qi Lim \u307b\u304b, \u201cCompetition between contrast and laser noise in laser threshold magnetometry using an external cavity diode laser\u201d, arXiv:2604.18937v2\uff08\u521d\u7a3f2026\u5e744\u670821\u65e5\u3001\u6539\u8a022026\u5e7411\u67083\u65e5\uff09\u3002<a href=\"https:\/\/arxiv.org\/abs\/2604.18937v2\">\u8ad6\u6587\u60c5\u5831<\/a> \/ <a href=\"https:\/\/arxiv.org\/pdf\/2604.18937v2\">\u539f\u8ad6\u6587PDF<\/a>\u3002\u672c\u6587II\u301cV\u7bc0\u3001\u56f32\u30fb4\u30fb5\u3092\u53c2\u7167\u3002\u88dc\u8db3\u8cc7\u6599\u306b\u4f9d\u5b58\u3059\u308b\u8a73\u7d30\u306a\u30e2\u30c7\u30eb\u306e\u518d\u73fe\u6027\u306f\u3001\u672c\u7a3f\u306e\u8a55\u4fa1\u5bfe\u8c61\u306b\u542b\u3081\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u78c1\u6c17\u30bb\u30f3\u30b5\u30fc\u306e\u4fe1\u53f7\u3092\u5927\u304d\u304f\u898b\u305b\u308b\u3053\u3068\u3068\u3001\u3088\u308a\u5f31\u3044\u78c1\u5834\u3092\u6e2c\u308c\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u306f\u3001\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4fe1\u53f7\u306e\u5909\u5316\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3082\u3001\u305d\u308c\u4ee5\u4e0a\u306b\u5149\u6e90\u304c\u63fa\u3089\u3052\u3070\u3001\u5c0f\u3055\u306a\u78c1\u5834\u306e\u5909\u5316\u306f\u898b\u5206\u3051\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002 Shao Qi Lim\u6c0f\u3089 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2364,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":false,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[32],"tags":[470],"class_list":["post-2366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-semiconductors-electronics","tag-laser-threshold-magnetometry"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/11\/qs-laser-threshold-magnetometry-20261105-1481da346090.png","_links":{"self":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2366"}],"version-history":[{"count":1,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2366\/revisions"}],"predecessor-version":[{"id":2367,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/posts\/2366\/revisions\/2367"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=\/wp\/v2\/media\/2364"}],"wp:attachment":[{"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantumsea.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}