Richardson Gratings 53-*-425E を用いた際の
オーダーの分かれ目
(下表「右端」「左端」は効率が「中央」の半分になる場所、
黄色の行は図に plot してある次数)
次数 | 左端 | -- | 中央 | -- | 右端 |
43 | 1.072475 | 1.078675 | 1.084946 | 1.091291 | 1.097710 |
44 | 1.048375 | 1.054298 | 1.060288 | 1.066347 | 1.072475 |
45 | 1.025334 | 1.030998 | 1.036726 | 1.042518 | 1.048375 |
46 | 1.003283 | 1.008707 | 1.014189 | 1.019731 | 1.025334 |
47 | 0.982162 | 0.987358 | 0.992610 | 0.997918 | 1.003283 |
48 | 0.961911 | 0.966895 | 0.971931 | 0.977019 | 0.982162 |
49 | 0.942478 | 0.947263 | 0.952096 | 0.956978 | 0.961911 |
50 | 0.923815 | 0.928412 | 0.933054 | 0.937742 | 0.942478 |
51 | 0.905877 | 0.910296 | 0.914758 | 0.919265 | 0.923815 |
52 | 0.888622 | 0.892874 | 0.897167 | 0.901501 | 0.905877 |
53 | 0.872013 | 0.876107 | 0.880239 | 0.884411 | 0.888622 |
54 | 0.856012 | 0.859957 | 0.863939 | 0.867957 | 0.872013 |
55 | 0.840589 | 0.844392 | 0.848231 | 0.852104 | 0.856012 |
56 | 0.825711 | 0.829381 | 0.833084 | 0.836819 | 0.840589 |
57 | 0.811351 | 0.814894 | 0.818468 | 0.822074 | 0.825711 |
58 | 0.797482 | 0.800904 | 0.804357 | 0.807839 | 0.811351 |
59 | 0.784079 | 0.787387 | 0.790723 | 0.794088 | 0.797482 |
60 | 0.771119 | 0.774318 | 0.777545 | 0.780798 | 0.784079 |
61 | 0.758580 | 0.761676 | 0.764798 | 0.767945 | 0.771119 |
62 | 0.746443 | 0.749441 | 0.752463 | 0.755509 | 0.758580 |
63 | 0.734688 | 0.737592 | 0.740519 | 0.743469 | 0.746443 |
64 | 0.723297 | 0.726112 | 0.728948 | 0.731807 | 0.734688 |
65 | 0.712255 | 0.714984 | 0.717734 | 0.720505 | 0.723297 |
66 | 0.701544 | 0.704191 | 0.706859 | 0.709546 | 0.712255 |
67 | 0.691151 | 0.693720 | 0.696309 | 0.698917 | 0.701544 |
68 | 0.681061 | 0.683556 | 0.686069 | 0.688600 | 0.691151 |
69 | 0.671262 | 0.673685 | 0.676126 | 0.678584 | 0.681061 |
70 | 0.661740 | 0.664095 | 0.666467 | 0.668856 | 0.671262 |
71 | 0.652485 | 0.654774 | 0.657080 | 0.659402 | 0.661740 |
72 | 0.643485 | 0.645712 | 0.647954 | 0.650212 | 0.652485 |
73 | 0.634730 | 0.636897 | 0.639078 | 0.641274 | 0.643485 |
74 | 0.626210 | 0.628319 | 0.630442 | 0.632579 | 0.634730 |
75 | 0.617916 | 0.619969 | 0.622036 | 0.624116 | 0.626210 |
76 | 0.609839 | 0.611838 | 0.613851 | 0.615877 | 0.617916 |
77 | 0.601970 | 0.603918 | 0.605879 | 0.607853 | 0.609839 |
78 | 0.594302 | 0.596200 | 0.598111 | 0.600034 | 0.601970 |
79 | 0.586826 | 0.588677 | 0.590540 | 0.592415 | 0.594302 |
80 | 0.579536 | 0.581342 | 0.583159 | 0.584987 | 0.586826 |
81 | 0.572426 | 0.574187 | 0.575959 | 0.577742 | 0.579536 |
82 | 0.565487 | 0.567206 | 0.568935 | 0.570675 | 0.572426 |
83 | 0.558715 | 0.560393 | 0.562080 | 0.563779 | 0.565487 |
84 | 0.552103 | 0.553741 | 0.555389 | 0.557047 | 0.558715 |
85 | 0.545645 | 0.547246 | 0.548855 | 0.550474 | 0.552103 |
86 | 0.539337 | 0.540901 | 0.542473 | 0.544055 | 0.545645 |
87 | 0.533173 | 0.534701 | 0.536238 | 0.537783 | 0.539337 |
88 | 0.527149 | 0.528642 | 0.530144 | 0.531654 | 0.533173 |
89 | 0.521259 | 0.522719 | 0.524187 | 0.525664 | 0.527149 |
90 | 0.515499 | 0.516927 | 0.518363 | 0.519807 | 0.521259 |
91 | 0.509865 | 0.511262 | 0.512667 | 0.514079 | 0.515499 |
92 | 0.504353 | 0.505720 | 0.507094 | 0.508476 | 0.509865 |
93 | 0.498959 | 0.500297 | 0.501642 | 0.502994 | 0.504353 |
94 | 0.493679 | 0.494989 | 0.496305 | 0.497629 | 0.498959 |
95 | 0.488510 | 0.489792 | 0.491081 | 0.492377 | 0.493679 |
96 | 0.483447 | 0.484703 | 0.485965 | 0.487234 | 0.488510 |
97 | 0.478489 | 0.479719 | 0.480955 | 0.482198 | 0.483447 |
98 | 0.473631 | 0.474836 | 0.476048 | 0.477265 | 0.478489 |
99 | 0.468871 | 0.470052 | 0.471239 | 0.472432 | 0.473631 |
100 | 0.464206 | 0.465363 | 0.466527 | 0.467696 | 0.468871 |
101 | 0.459632 | 0.460767 | 0.461908 | 0.463054 | 0.464206 |
102 | 0.455148 | 0.456261 | 0.457379 | 0.458503 | 0.459632 |
103 | 0.450751 | 0.451842 | 0.452939 | 0.454041 | 0.455148 |
104 | 0.446437 | 0.447508 | 0.448583 | 0.449664 | 0.450751 |
105 | 0.442206 | 0.443256 | 0.444311 | 0.445372 | 0.446437 |
106 | 0.438053 | 0.439084 | 0.440120 | 0.441160 | 0.442206 |
107 | 0.433978 | 0.434990 | 0.436006 | 0.437027 | 0.438053 |
108 | 0.429979 | 0.430972 | 0.431969 | 0.432972 | 0.433978 |
109 | 0.426052 | 0.427027 | 0.428006 | 0.428990 | 0.429979 |
110 | 0.422196 | 0.423154 | 0.424115 | 0.425081 | 0.426052 |
111 | 0.418410 | 0.419350 | 0.420294 | 0.421243 | 0.422196 |
112 | 0.414690 | 0.415614 | 0.416542 | 0.417474 | 0.418410 |
113 | 0.411037 | 0.411944 | 0.412856 | 0.413771 | 0.414690 |
114 | 0.407447 | 0.408339 | 0.409234 | 0.410133 | 0.411037 |
115 | 0.403919 | 0.404795 | 0.405675 | 0.406559 | 0.407447 |
116 | 0.400452 | 0.401313 | 0.402178 | 0.403047 | 0.403919 |
117 | 0.397044 | 0.397891 | 0.398741 | 0.399595 | 0.400452 |
118 | 0.393694 | 0.394526 | 0.395362 | 0.396201 | 0.397044 |
119 | 0.390399 | 0.391217 | 0.392039 | 0.392865 | 0.393694 |
120 | 0.387159 | 0.387964 | 0.388772 | 0.389584 | 0.390399 |
121 | 0.383973 | 0.384764 | 0.385559 | 0.386358 | 0.387159 |
122 | 0.380838 | 0.381617 | 0.382399 | 0.383184 | 0.383973 |
123 | 0.377755 | 0.378521 | 0.379290 | 0.380063 | 0.380838 |
124 | 0.374720 | 0.375474 | 0.376231 | 0.376991 | 0.377755 |
125 | 0.371735 | 0.372476 | 0.373221 | 0.373969 | 0.374720 |
126 | 0.368796 | 0.369526 | 0.370259 | 0.370995 | 0.371735 |
127 | 0.365903 | 0.366622 | 0.367344 | 0.368068 | 0.368796 |
128 | 0.363056 | 0.363764 | 0.364474 | 0.365187 | 0.365903 |
129 | 0.360252 | 0.360949 | 0.361649 | 0.362351 | 0.363056 |
130 | 0.357492 | 0.358178 | 0.358867 | 0.359558 | 0.360252 |
131 | 0.354773 | 0.355449 | 0.356127 | 0.356808 | 0.357492 |
132 | 0.352096 | 0.352761 | 0.353429 | 0.354100 | 0.354773 |
133 | 0.349458 | 0.350114 | 0.350772 | 0.351433 | 0.352096 |
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