Kānā-Band Kānāwai–Māhele ʻia Mai ka Kānāwai Band-Pass

ʻO ka peak transmittance e pili ana i ka transmittance kiʻekiʻe loa o ka kānana bandpass i ka passband. ʻOkoʻa nā koi no ka peak transmittance ma muli o ka noi. I nā koi o ka hoʻopau ʻana i ka walaʻau a me ka nui o ka hōʻailona, ​​​​inā ʻoe e nānā nui i ka nui o ka hōʻailona, ​​​​manaʻo ʻoe e hoʻonui i ka ikaika hōʻailona. I kēia hihia, pono ʻoe i kahi transmittance kiʻekiʻe. Inā ʻoe e noʻonoʻo hou aku i ka hoʻopau ʻana i ka walaʻau, manaʻo ʻoe e kiʻi i kahi kiʻekiʻe o ka signal-to-noise Ratio, hiki iā ʻoe ke hōʻemi i kekahi mau koi transmittance peak, a hoʻonui i nā koi hohonu ʻoki.

ʻO ka laulā ʻokiʻoki e pili ana i ka laulā nalu e pono ai ke ʻoki ʻia me ka hoʻohui i ka passband. No nā kānana narrowband, aia kahi ʻāpana o ka ʻoki ʻoki mua, ʻo ia hoʻi, kahi ʻāpana me kahi hawewe ʻoki ʻoki ʻia i ʻoi aku ka liʻiliʻi ma mua o ka nalu waena, a me kahi ʻāpana ʻokiʻoki lōʻihi, me kahi ʻāpana me kahi hawewe ʻoki ʻoki ʻoi aku ka kiʻekiʻe ma mua o ka nalu waena. Inā māhele ʻia, pono e wehewehe ʻia nā ʻāpana ʻelua i ʻoki ʻia, akā ma ke ʻano laulā, hiki ke ʻike ʻia ka ʻoki ʻoki ʻana o ka kānana ma ka wehewehe ʻana i ka lōʻihi hawewe pōkole loa a me ka lōʻihi o ka nalu e pono ai ke kānana ʻokiʻoki e ʻoki. hemo.

ʻO ka hohonu o ka ʻoki ʻia e pili ana i ka transmittance kiʻekiʻe e hiki ai i ka mālamalama ke hele i loko o ka ʻāpana ʻoki. Loaʻa i nā ʻōnaehana noi ʻokoʻa nā koi like ʻole no ka hohonu ʻoki. No ka laʻana, i ke ʻano o ka fluorescence māmā hoʻohiwahiwa, koi ʻia ka hohonu o ka ʻoki ʻia ma lalo o T.<0.001%. Ma nā ʻōnaehana nānā maʻamau a me ka ʻike, ʻoki ʻia ka hohonu TUa lawa ka <0.5% i kekahi manawa.