ʻO nā mea palaki a me ka hoʻoheheʻe ʻana i ke kumu no nā lens miniaturized. ʻO ke ʻano o ka lens plastic me nā mea lens, lens barrel, lens mount, spacer, shading sheet, pressure ring material, etc.

Nui nā ʻano mea lens no nā lens plastic, ʻo ia mau mea āpau he plastic (high molecular polymer). He mau thermoplastics ia, nā plastics e palupalu a lilo i plastic i ka wā e wela ai, e paʻakikī ke hoʻomāʻalili, a e palupalu ke hoʻomehana hou. He hoʻololi kino e hoʻololi i ka hoʻololi ʻana ma waena o ka wai a me nā kūlana paʻa me ka hoʻohana ʻana i ka hoʻomehana a me ka hoʻoluʻu. Ua haku mua 'ia kekahi mau mea a he mea hou kekahi. ʻO kekahi mau mea i hoʻohana nui ʻia, a ua hoʻomohala kūikawā ʻia kekahi mau mea i hoʻohana pono ʻia i loko o kekahi mau māla optical.

Ma ka hoʻolālā optical, ʻike paha mākou i nā māka waiwai o nā hui like ʻole, e like me EP8000, K26R, APL5015, OKP-1 a pēlā aku. Aia lākou a pau i kekahi ʻano mea plastic, a ʻoi aku ka maʻamau o kēia mau ʻano, a e hoʻokaʻawale mākou iā lākou e like me ka manawa o ko lākou helehelena:

ʻO nā lens plastik

• l PMMA/Acrylic:Poly(methyl methacrylate), polymethyl methacrylate (plexiglass, acrylic). Ma muli o kona kumukūʻai liʻiliʻi, ka transmittance kiʻekiʻe, a me ka ikaika mechanical kiʻekiʻe, ʻo PMMA ka mea pani aniani maʻamau i ke ola. ʻO ka hapa nui o nā plastic transparent i hana ʻia me PMMA, e like me nā pā aniani, nā puna aniani, a me nā LED liʻiliʻi. lens etc. Ua hana nui ʻia ʻo PMMA mai ka makahiki 1930.
• PS:ʻO ka polystyrene, polystyrene, he thermoplastic kala ʻole a maopopo, a me ka plastic engineering, i hoʻomaka i ka hana nui i nā makahiki 1930. ʻO ka nui o nā pahu pahu keʻokeʻo a me nā pahu ʻaina i maʻamau i ko mākou ola i hana ʻia me nā mea PS.
• PC:ʻO ka polycarbonate, polycarbonate, he thermoplastic amorphous ʻaʻole waihoʻoluʻu a ʻaʻole hoʻi, a he plastic noʻonoʻo. Ua hana ʻia i nā makahiki 1960 wale nō. ʻOi aku ka maikaʻi o ka pale ʻana i ka hopena o nā mea PC, nā noi maʻamau e pili ana i nā bākeke wai, nā goggles, etc.
• l COP & COC:Cyclic olefin Polymer (COP), Cyclic olefin polymer; Cyclic olefin copolymer (COC) Cyclic olefin copolymer, he amorphous transparent polymer material me ke apo, me carbon-carbon paʻa pālua i loko o ke apo Ua hana ʻia nā cyclic hydrocarbons mai nā monomers cyclic olefin e ka polymerization ponoʻī (COP) a i ʻole copolymerization (COC). ) me nā molekala ʻē aʻe (e like me ka ethylene). Ua aneane like na ano o COP a me COC. He mea hou kēia mea. I ka wā i hana mua ʻia ai, ua noʻonoʻo nui ʻia no kekahi mau noi pili optical. I kēia manawa, hoʻohana nui ʻia ia i nā ʻoihana kiʻiʻoniʻoni, optical lens, display, medical (packaging bottle). Ua hoʻopau ʻo COP i ka hana ʻenehana ma kahi o 1990, a ua hoʻopau ʻo COC i ka hana ʻoihana ma mua o 2000.
• l O-PET:ʻO Optical polyester optical polyester fiber, O-PET i kālepa ʻia ma Osaka i nā makahiki 2010.

I ka nānā ʻana i kahi mea optical, hopohopo nui mākou i kā lākou ʻano optical a me ka mechanical.

Optical pʻoihana

• Hōʻike Hoʻohālikelike & Hoʻopuehu

Hōʻike hoʻohālikelike a me ka hoʻopuehu

Hiki ke ʻike ʻia mai kēia kiʻi hōʻuluʻulu manaʻo e hāʻule nā ​​​​mea ʻilika optical ʻokoʻa i loko o ʻelua mau manawa: ʻo ka hui hoʻokahi kiʻekiʻe refractive index a kiʻekiʻe dispersion; ʻo ka hui ʻē aʻe he haʻahaʻa refractive index a haʻahaʻa dispersion. I ka hoʻohālikelike ʻana i ke ʻano koho o ka huaʻōlelo refractive a me ka hoʻopuehu ʻana o nā mea aniani, e ʻike mākou he haiki loa ka laulā koho o nā mea ʻilika, a he haʻahaʻa haʻahaʻa nā mea ʻilika optical āpau. ʻO ka mea maʻamau, ʻoi aku ka liʻiliʻi o ka nui o nā koho no nā mea plastik, a aia wale nō ma kahi o 10 a 20 mau māka waiwai kālepa, ka mea nui e kaupalena i ke kūʻokoʻa o ka hoʻolālā optical ma ke ʻano o nā mea.

ʻOkoʻa ka ʻenekene refractive me ka lōʻihi hawewe: Piʻi ka ʻenekema refractive o nā mea plastik optical me ka lōʻihi hawewe, e emi iki ka helu refractive, a paʻa ka holoʻokoʻa.

Hoʻololi ʻia ka helu helu refractive me ka mahana Dn/DT: ʻO ka coefficient wela o ka helu refractive o nā plastic plastic optical he 6 mau manawa a 50 mau manawa ʻoi aku ka nui ma mua o ke aniani, ʻo ia ka waiwai maikaʻi ʻole, ʻo ia hoʻi i ka piʻi ʻana o ka mahana, e emi ana ka helu refractive. No ka laʻana, no ka lōʻihi nalu o 546nm, -20°C a 40°C, ʻo ka waiwai dn/dT o ka mea plastik he -8 a -15X10^–5/°C, ʻoiai ke ʻano like, ka waiwai o ka mea aniani. ʻO NBK7 he 3X10^–6/°C.

• Ka lawe ʻana

ʻO ka lawe ʻana

E pili ana i kēia kiʻi, ʻo ka hapa nui o nā plastic plastics he transmittance oi aku ma mua o 90% i loko o ka pahu kukui ʻike ʻia; Loaʻa iā lākou kahi transmittance maikaʻi no nā pūʻulu infrared o 850nm a me 940nm, ka mea maʻamau i nā mea uila uila. E emi iho ana ka hoʻouna ʻana o nā mea plastic i kekahi ʻano me ka manawa. ʻO ke kumu nui, ʻo ia ka mea e hoʻopili ai ka plastic i nā kukuna ultraviolet i ka lā, a haki ke kaulahao mole e hoʻohaʻahaʻa a hoʻopaʻa ʻia, e hopena i nā loli i nā waiwai kino a me nā kemika. ʻO ka hiʻohiʻona macroscopic maopopo loa ʻo ia ka melemele o ka mea plastik.

• ʻO ka hoʻoikaika kino

Hoʻohuli ʻana i ka Lens

ʻO ka birefringence koʻikoʻi (Birefringence) kahi waiwai optical o nā mea. ʻO ka helu refractive o nā mea pili i ke kūlana polarization a me ke kuhikuhi hoʻolaha o ka mālamalama hanana. Hōʻike nā mea waiwai i nā ʻokoʻa o ka refraction no nā kūlana polarization like ʻole. No kekahi mau pūnaewele, he liʻiliʻi loa kēia hoʻololi kuhikuhi refractive a ʻaʻohe hopena nui i ka ʻōnaehana, akā no kekahi mau ʻōnaehana optical kūikawā, ua lawa kēia deviation i mea e hōʻemi nui ai i ka hana ʻōnaehana.

ʻAʻohe ʻano anisotropic nā mea palaki ponoʻī, akā ʻo ka hoʻoheheʻe ʻana i nā plastics e hoʻolauna i ka birefringence stress. ʻO ke kumu nui ke koʻikoʻi i hoʻokomo ʻia i ka wā o ka hoʻoheheʻe ʻana a me ka hoʻonohonoho ʻana o nā macromolecules plastic ma hope o ka hoʻoilo. Hoʻopili ʻia ke koʻikoʻi ma kahi kokoke i ke awa injection, e like me ka mea i hōʻike ʻia ma ke kiʻi ma lalo nei.

ʻO ka hoʻolālā maʻamau a me ka loina hana e hōʻemi i ka birefringence koʻikoʻi i ka mokulele kūpono optical, e koi ana i kahi hoʻolālā kūpono o ka hoʻolālā lens, injection mold mold a me nā ʻāpana hana. Ma waena o kekahi mau mea, ʻoi aku ka maʻalahi o nā mea PC i ka birefringence koʻikoʻi (ma kahi o 10 mau manawa ʻoi aku ka nui ma mua o nā mea PMMA), a me nā mea COP, COC, a me nā mea PMMA he haʻahaʻa koʻikoʻi birefringence.