iceland crystal 中文意思是什麼
iceland crystal
解釋
冰洲石-
We can be conveniently studied with reference to a crystal of calcite or iceland spar.
我們可以很方便地以方解石或冰洲石晶體來進行研究。 -
Combination of iceland crystal and glass for e beam superhigh transmittance polarizing prism
冰洲石-玻璃組合e光超高透偏光棱鏡 -
Geologic characteristics of iceland crystal deposits and possible mining and dressing
黔西南某冰洲石礦床地質特徵及礦石的采選方法 -
But the normal iceland crystal is a nature crystal and transparent. it is not easy to find pure and big iceland crystal, so it is difficult to make large - size polarizing device. at the same time, the process is complex and with high price
但由於通常使用的冰洲石晶體是一種天然晶體,純凈的晶體很少,且不易得到大塊,所以晶體起偏鏡不容易做成大口徑,且價格高,加工工藝復雜。 -
The normal polarizing device is made of iceland crystal that is based on birefringence of crystal. its merit is high extinction ratio, high transmission and wide wavelength
一般的起偏器件和檢偏器件是利用晶體的雙折射特性設計而成,其優點是:消光比和透射比高,適用的光譜范圍大。
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