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透射光柵
透射光柵是衍射光和入射光在相反面?zhèn)鞑サ墓ぷ鞣绞?,它主要?yīng)用在可見(jiàn)和近紅外光譜研究領(lǐng)域。透射光柵對(duì)準(zhǔn)直誤差和偏振態(tài)都不敏感。為了獲得高的衍射效率,透射光柵的線(xiàn)密度不高。隨著衍射角和線(xiàn)密度的增加,材料的折射率限制了長(zhǎng)波激光的傳輸,使其截止。透射光柵可以鍍針對(duì)選定波長(zhǎng)的高透膜,而對(duì)于選定波長(zhǎng)之外,高透膜的效果就不能達(dá)到理想的程度。
基質(zhì):Schott B270
厚度:3mm nominal
尺寸公差:±0.5mm
厚度公差:±0.5mm
一、可見(jiàn)光的透射光柵型號(hào):
SIZE | 刻線(xiàn)/mm | ||||
300 g/mm | 600 g/mm | 600 g/mm | 600 g/mm | 600 g/mm | |
閃耀角度 | |||||
17.5° | 28.7°(VIS) | 22°(UV) | 29.87° | 36° | |
12.7x12.7 | 3-9801 | 3-9807 | 3-9813 | 3-9819 | 3-9825 |
25x25 | 3-9802 | 3-9808 | 3-9814 | 3-9820 | 3-9826 |
25x25(AR) | 3-9902 | 3-9908 | 3-9914 | 3-9920 | 3-9926 |
30x30 | 3-9803 | 3-9809 | 3-9815 | 3-9821 | 3-9827 |
30x30(AR) | 3-9903 | 3-9909 | 3-9915 | 3-9921 | 3-9927 |
50x50 | 3-9804 | 3-9810 | 3-9816 | 3-9822 | 3-9828 |
50x50(AR) | 3-9904 | 3-9910 | 3-9916 | 3-9922 | 3-9928 |
12.5x25 | 3-9805 | 3-9811 | 3-9817 | 3-9823 | 3-9829 |
12.5x25(AR) | 3-9905 | 3-9911 | 3-9917 | 3-9923 | 3-9929 |
25x50 | 3-9806 | 3-9812 | 3-9818 | 3-9824 | 3-9830 |
25x50(AR) | 3-9906 | 3-9912 | 3-9918 | 3-9924 | 3-9930 |
二、近紅外的透射光柵型號(hào):
Size | 300 g/mm 31.7° | 300 g/mm 24.8° |
12.7x12.7 | 3-9201 | 3-9207 |
25x25 | 3-9202 | 3-9208 |
30x30 | 3-9203 | 3-9209 |
50x50 | 3-9204 | 3-9210 |
12.5x25 | 3-9205 | 3-9211 |
25x50 | 3-9206 | 3-9212 |
三、紫外透射光柵
通過(guò)選擇UV材料可以獲得透射紫外光柵,*短波長(zhǎng)可達(dá)235nm。透射光柵可以鍍針對(duì)選定波長(zhǎng)的高透膜,而對(duì)于選定波長(zhǎng)之外,高透膜的效果就不能達(dá)到理想的程度。
基質(zhì):UV級(jí)熔融石英
厚度:平2mm
尺寸公差:±0.5mm
厚度公差:±0.2mm
Size | 300 g/mm 8.6° | 600 g/mm 22° | 600 g/mm 17.5° | 600 g/mm 19.4° | 600 g/mm 36.9° | 1200 g/mm 26.7° |
12.7x12.7 | 3-9401 | 3-9411 | 3-9421 | 3-9431 | 3-9441 | 3-9451 |
25x25 | 3-9402 | 3-9412 | 3-9422 | 3-9432 | 3-9442 | 3-9452 |
30x30 | 3-9403 | 3-9413 | 3-9423 | 3-9433 | 3-9443 | 3-9453 |
50x50 | 3-9404 | 3-9414 | 3-9424 | 3-9434 | 3-9444 | 3-9454 |
12.5x25 | 3-9405 | 3-9415 | 3-9425 | 3-9435 | 3-9445 | 3-9455 |
25x50 | 3-9406 | 3-416 | 3-426 | 3-9436 | 3-9446 | 3-9456 |
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