He nui ka poʻe e noʻonoʻo no ke aha e hele mai ai nā modules rangefinder laser i nā lōʻihi hawewe like ʻole. ʻO ka ʻoiaʻiʻo, ʻo ka ʻokoʻa o nā lōʻihi nalu e hoʻohālikelike i nā pono o ka noi me nā mea ʻenehana. Hoʻopili pololei ka lōʻihi hawewe laser i ka hana ʻōnaehana, palekana, a me ke kumukūʻai. Eia ka wehewehe kikoʻī o nā kumu:
1. Ka hopena o ka loa hawewe ma ke ano kino o ka huli ana
(1) Ka hoʻoheheʻe ʻana o ka lewa a me ka hana hoʻouna
Hoʻopili ʻia ka hoʻoili laser e ka absorption a me ka hoʻopuehu ʻana o ka lewa, ʻo ia mau mea ʻelua i hilinaʻi nui i ka lōʻihi hawewe.. Nā Loʻi Hawewe Pōkole (e laʻa, 532nm):ee ʻike i ka hoʻopuehu nui aʻe (rayleigh scattering). I ka lepo lepo, noe, a i ʻole ka ua, nui ka attenuation, no laila ʻaʻole kūpono ia no nā noi lōʻihi. Nā Loʻihi Hawewe Kauwaena (e laʻa, 808nm, 905nm):he emi iho ka ho'omohu 'ana a me ka ho'opuehu 'ana, e hana ana ia lakou i mau koho ma'amau no ka 'imi 'ana, no ka ho'ohana 'ana i waho. Nā lōʻihi hawewe (e laʻa, 1535nm, 1550nm):spaʻakikī i ka ʻai ʻana o ka mahu wai ma lalo o kekahi mau kūlana akā hōʻike i ka haʻahaʻa haʻahaʻa a me ka ikehu koʻikoʻi, kūpono no nā mamao lōʻihi a me nā kaiapuni kūikawā.
(2) Nā hiʻohiʻona hoʻohālikelike o nā ʻili ʻili
ʻO ka noʻonoʻo ʻana o nā lōʻihi hawewe laser ma nā ʻaoʻao i hoʻopaʻa ʻia e pili ana i ka hana rangefinding.
Pōkolewavelengthsphana maikaʻi me nā pahuhopu hoʻomanaʻo nui akā haʻahaʻa ka noʻonoʻo ʻana ma nā ʻaoʻao ʻeleʻele a ʻeleʻele paha. waenarangewavelengthsoHāʻawi i ka hoʻololi maikaʻi ma waena o nā mea like ʻole a maʻamau i nā modules rangefinding. Loʻihi hawewe lōʻihipʻoi aku ka maikaʻi o ke komo ʻana ma luna o nā ʻiliʻili, e hoʻolilo iā lākou i mea kūpono no ka palapala ʻāina a me nā hiʻohiʻona paʻakikī.
2. Palekana Maka a me ka Wavelong Wave
ʻO ka maka o ke kanaka ke maʻalahi loa i ka mālamalama ʻike (400-700nm) a me ke kukui infrared kokoke (700-1000nm). Hiki i nā kukuna laser i kēia mau pae ke nānā aku i ka retina a hoʻoulu i ka pōʻino, pono ka mana ikaika a me ka hoʻopaʻa ʻana i nā hiʻohiʻona hoʻohana a me ka hiki ke hoʻopuka. lōʻihiwnā lōʻihi (e laʻa, 1535nm, 1550nm)he safer i ko lākou ikehu e hoʻopili ʻia e ka cornea a me ka lens, e pale ana i ka ʻike pololei ʻana i ka retina. Hoʻemi nui kēia i nā pilikia palekana, e hoʻolilo i kēia mau nalu i mea waiwai no ka pūʻali koa a me ka mana kiʻekiʻe e ʻimi ana i kahi mamao lōʻihi.
3. Paʻakikī a me ke kumukūʻai
ʻOkoʻa ka paʻakikī a me ke kumukūʻai o nā modules rangefinder laser ma muli o ka lōʻihi o ka nalu.
- 532nm (Green Lasers): Hoʻokumu pinepine ʻia e nā lasers infrared pālua pinepine (1064nm). ʻO kēia kaʻina hana he haʻahaʻa haʻahaʻa, kiʻekiʻe ka wela dissipation koi, a me nā koina kiʻekiʻe.
- 808nm, 905nm (Near-Infrared Lasers): Loaʻa ka pōmaikaʻi mai ka ʻenehana laser semiconductor makua, e hāʻawi ana i ka pono kiʻekiʻe a me ke kumu kūʻai haʻahaʻa, e hoʻolilo iā lākou i mea kūpono no nā huahana mea kūʻai aku.
- 1535nm, 1550nm (Fiber Lasers): E koi i nā laser fiber kūikawā a me nā mea ʻike like (e laʻa, InGaAs). ʻOi aku ke kumukūʻai o kēia mau modula.
4. Pono nā noi ma nā hiʻohiʻona like ʻole
No ka short-distancemeasurement, ʻO 532nm a me 905nm nā koho maikaʻi loa. ʻOiai he mea koʻikoʻi nā hopena hoʻopuehu i nā lōʻihi hawewe pōkole, he liʻiliʻi ko lākou hopena ma nā mamao pōkole. Hoʻohui ʻia, hāʻawi nā lasers 905nm i kahi kaulike o ka hana a me ke kumukūʻai, lilo i koho nui no nā modules rangefinder.No ka lʻo-distancemeasurement: 1064nm a me 1550nm nā nalu hawewe ʻoi aku ka maikaʻi, no ka mea, ʻoi aku ka lōʻihi o ka nalu ʻana i ka ikehu a komo maikaʻi loa, kūpono no nā noi ʻoihana a me ka pūʻali koa e koi ana i ke ana lōʻihi a me ke ana kiʻekiʻe.No ka high-lʻike-ihoʻopioen puni, ʻOi aku ka maikaʻi o nā hawewe nalu 1550nm i kēlā mau kūlana, no ka mea, ʻoi aku ka liʻiliʻi o ka hopena o ka lā. Hōʻoia kēia i ka lakio hōʻailona-a-noise kiʻekiʻe ma lalo o ke kukui ikaika, e kūpono iā lākou no ka radar waho a me nā mea nānā.
Me kēia wehewehe ʻana, pono ʻoe e ʻike hohonu i ke kumu e hele mai ai nā modules rangefinder laser i nā lōʻihi nalu like ʻole. Inā makemake ʻoe i nā modula laser rangefinder a makemake ʻoe e aʻo hou aku, e ʻoluʻolu e kelepona iā mākou i kēlā me kēia manawa!
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Ka manawa hoʻouna: Nov-25-2024