Nā noi laser a me ka hoʻokaʻawale ʻana

1. laser disc

ʻO ka manaʻo o ka manaʻo hoʻolālā Disk Laser i hoʻoponopono maikaʻi i ka pilikia hopena wela o nā lasers solid-state a loaʻa i ka hui kūpono o ka mana kiʻekiʻe kiʻekiʻe, ka mana kiʻekiʻe kiʻekiʻe, ka hana kiʻekiʻe, a me ka maikaʻi o ka beam kiʻekiʻe o nā lasers solid-state. Ua lilo nā disk lasers i kumu kukui laser hou no ka hoʻoponopono ʻana i nā kula o nā kaʻa, nā moku, nā ala kaʻa, nā mokulele, ka ikehu a me nā kula ʻē aʻe. ʻO ka ʻenehana laser disc mana kiʻekiʻe o kēia manawa he 16 kilowatts a me ka maikaʻi beam o 8 mm milliadians, e hiki ai i ka robot laser remote welding a me ka nui-format laser kiʻekiʻe-wikiwiki ʻoki, e wehe ana i nā manaʻo ākea no nā lasers solid-state ma ke kahua oka hana laser mana kiʻekiʻe. Makeke noi.

Nā pōmaikaʻi o nā laser disc:

1. Hoʻolālā modular

Hoʻohana ka laser disc i kahi ʻano modular, a hiki ke hoʻololi koke ʻia kēlā me kēia module ma ka pūnaewele. Hoʻohui ʻia ka ʻōnaehana hoʻoluʻu a me ka ʻōnaehana alakaʻi māmā me ke kumu laser, me ka hoʻolālā paʻa, ka wāwae liʻiliʻi a me ka hoʻonohonoho wikiwiki a me ka debugging.

2. ʻOi aku ka maikaʻi o ka beam maikaʻi a hoʻohālikelike ʻia

Loaʻa i nā lasers disiki TRUMPF a pau ma luna o 2kW kahi huahana parameter beam (BPP) i hoʻohālikelike ʻia ma 8mm/mrad. ʻAʻole ʻokoʻa ka laser i ka hoʻololi ʻana i ke ʻano hana a kūpono me nā optic TRUMPF āpau.

3. No ka nui o ke kiko o ka laser diski, ua li'ili'i ka mana o ka mana o kēlā me kēia mea.

He 500MW/cm2 ka paepae poino o ka uhi mea opua, a he 2-3GW/cm2 ka paepae poino o ka quartz. ʻO ka nui o ka mana i loko o ka TRUMPF disk laser resonant cavity ka mea maʻamau ma lalo o 0.5MW/cm2, a ʻo ka nui o ka mana ma ka fiber hui pū ʻia ma lalo o 30MW/cm2. ʻAʻole e hoʻopōʻino ʻia kēlā ʻano mana haʻahaʻa i nā ʻāpana optical a ʻaʻole e hana i nā hopena nonlinear, no laila e hōʻoiaʻiʻo ai i ka hilinaʻi o ka hana.

4. E hoʻohana i ka mana laser mana ʻōnaehana mana manaʻo manawa maoli.

Hiki i ka ʻōnaehana mana manaʻo manawa maoli ke hoʻomau i ka mana a hiki i ka T-piece stable, a ʻoi aku ka maikaʻi o ka hoʻihoʻi ʻana i nā hopena. ʻO ka manawa preheating o ka laser disc he aneane ʻole, a ʻo ka mana hiki ke hoʻololi ʻia he 1%-100%. Ma muli o ka hoʻoponopono piha ʻana o ka laser disc i ka pilikia o ka hopena lens thermal, paʻa ka mana laser, ka nui o ke kiko, a me ke kihi ʻokoʻa o ka beam i loko o ka mana holoʻokoʻa, a ʻaʻole e hoʻoneʻe ʻia ka nalu o ka beam.

5. Hiki ke hoʻopili a pāʻani ka fiber optical i ka wā e holo mau ana ka laser.

Ke hāʻule ʻole kekahi fiber optical, i ka wā e hoʻololi ai i ka fiber optical, pono wale ʻoe e pani i ke ala optical o ka fiber optical me ka ʻole o ka pani ʻana, a hiki i nā fiber optical ʻē aʻe ke hoʻomau i ka hoʻopuka ʻana i ke kukui laser. He mea maʻalahi ka hoʻololi ʻana i ka fiber Optical, hoʻopili a pāʻani, me ka ʻole o nā mea hana a i ʻole hoʻoponopono alignment. Aia kahi mea pale lepo ma ka puka o ke alanui e pale pono ai i ka lepo mai ke komo ʻana i ka ʻāpana opi.

6. Palekana a hilinaʻi

I ka wā o ka hana ʻana, ʻoiai ke kiʻekiʻe loa ka emissivity o ka mea i hana ʻia e ʻike hou ʻia ke kukui laser i loko o ka laser, ʻaʻohe hopena i ka laser ponoʻī a i ʻole ka hopena hana, a ʻaʻohe palena i ka hoʻoili waiwai a i ʻole. lōʻihi fiber. Ua hāʻawi ʻia ka palekana o ka hana laser i ka palapala palekana German.

7. ʻOi aku ka maʻalahi a me ka wikiwiki o ka module diode pumping

ʻO ke ʻano diode i kau ʻia ma ka module pumping, he hana modular nō hoʻi. He lōʻihi ke ola lawelawe ʻana o nā modula diode array a hoʻopaʻa ʻia no 3 mau makahiki a i ʻole 20,000 mau hola. ʻAʻole koi ʻia ka manawa hoʻohaʻahaʻa inā he hoʻololi i hoʻolālā ʻia a i ʻole kahi pani koke ʻana ma muli o ka hiki ʻole. Ke hāʻule ka module, e hoʻāla ka ʻōnaehana hoʻomalu a hoʻonui ʻokoʻa i ke ʻano o nā modula ʻē aʻe i kūpono e mālama mau i ka mana hoʻopuka laser. Hiki i ka mea hoʻohana ke hoʻomau i ka hana no ʻumi a i ʻole mau hola. ʻO ka hoʻololi ʻana i nā modula diode pumping ma ke kahua hana he mea maʻalahi loa a ʻaʻole pono e hoʻomaʻamaʻa i ka mea hoʻohana.

2.2Laser fiber

ʻO nā lasers fiber, e like me nā lasers ʻē aʻe, ua haku ʻia i ʻekolu mau ʻāpana: kahi gain medium (doped fiber) hiki ke hoʻohua i nā kiʻi, kahi lua resonant optical e hiki ai i nā photons ke hānai hou ʻia a hoʻonui nui ʻia i loko o ka medium gain, a me kahi puna puna e hoʻohauʻoli ai. nā hoʻololi photon.

Nā hiʻohiʻona: 1. ʻO ka fiber Optical kahi kiʻekiʻe o ka lākiō "ʻili / ka nui", maikaʻi ka hopena wela wela, a hiki ke hana mau me ka ʻole o ka hoʻomaha ʻana. 2. Ma ke ʻano he ala alakaʻi hawewe, he liʻiliʻi ke anawaena koʻikoʻi o ka fiber optical a hiki i ka mana kiʻekiʻe i loko o ka fiber. No laila, ʻoi aku ka maikaʻi o ka hoʻololi ʻana i nā laser fiber, ka paepae haʻahaʻa, ka loaʻa kiʻekiʻe, a me ka laina laina haiki, a he ʻokoʻa mai ka fiber optical. He liʻiliʻi ka poho hui. 3. Ma muli o ka hiki ke hoʻololi maikaʻi ʻia nā fiber optical, liʻiliʻi a maʻalahi nā laser fiber, paʻa i ke ʻano, kumukūʻai, a maʻalahi hoʻi e hoʻohui i nā ʻōnaehana. 4. ʻO ka fiber Optical ka nui o nā ʻāpana tunable a me ke koho ʻana, a hiki ke loaʻa i kahi ākea hoʻolohe, hoʻopuehu maikaʻi a paʻa.

 

Hoʻokaʻawale ʻia ka fiber laser:

1. Laka honua doped fiber laser

2. Ua hoʻopaʻa ʻia nā mea ʻeleʻele kakaʻikahi i loko o nā fiber optical ikaika i kēia manawa: erbium, neodymium, praseodymium, thulium, a me ytterbium.

3. Hōʻuluʻulu manaʻo o ka fiber stimulated Raman scattering laser: Fiber laser mea maoli he hawewe converter, hiki ke hoohuli i ka hawewe pauma i malamalama o kekahi kiko'ī nalu lōʻihi a me ka hoopuka ia ma ke ano o ka laser. Mai kahi hiʻohiʻona kino, ʻo ke kumu o ka hana ʻana i ka amplification māmā e hāʻawi i ka mea hana me ka māmā o ka nalu lōʻihi e hiki ai iā ia ke hoʻomoʻa, i hiki ai i ka mea hana ke komo pono i ka ikehu a hoʻāla ʻia. No laila, e pili ana i ka mea doping, ʻokoʻa ka lōʻihi o ka hawewe absorption, a ʻokoʻa hoʻi ka paila.

2.3 Semiconductor laser

Ua hauʻoli maikaʻi ʻo Semiconductor laser i ka makahiki 1962 a loaʻa i ka hopena hoʻomau i ka lumi wela i ka makahiki 1970. Ma hope, ma hope o ka hoʻomaikaʻi ʻana, ua hoʻomohala ʻia nā laser heterojunction pālua a me nā diodes laser stripe-structured (Laser diodes), i hoʻohana nui ʻia i nā kamaʻilio fiber optical, optical discs, nā mea paʻi laser, nā mea ʻimi laser, a me nā kuhikuhi laser (nā kuhikuhi laser). ʻO lākou ka laser i hana nui ʻia i kēia manawa. ʻO nā mea maikaʻi o nā diodes laser he: kiʻekiʻe ka pono, ka liʻiliʻi liʻiliʻi, ke kaumaha māmā a me ke kumu kūʻai haʻahaʻa. ʻO ka mea nui, ʻo ka maikaʻi o ka nui quantum well type he 20 ~ 40%, a ʻo ke ʻano PN a hiki i kahi 15% ~ 25%. I ka pōkole, kiʻekiʻe ikehu pono kona hiʻona nui. Eia kekahi, ua uhi ʻia kona lōʻihi hawewe hoʻomau i ka laulā mai ka infrared a i ke kukui ʻike ʻia, a ua kūʻai ʻia nā huahana me ka puka pulse optical a hiki i 50W (pulse width 100ns). He laʻana ia o ka laser i maʻalahi loa e hoʻohana ma ke ʻano he lidar a i ʻole ke kumu kukui hoʻoulu. E like me ka manaʻo pūʻali ikehu o nā mea paʻa, ʻo nā pae ikehu o nā electrons i nā mea semiconductor e hana i nā kaula ikehu. ʻO ka ikehu kiʻekiʻe ʻo ia ka puʻupuʻu conduction, ʻo ka haʻahaʻa haʻahaʻa ʻo ka valence band, a ua hoʻokaʻawale ʻia nā pūʻulu ʻelua e ka hui pāpā ʻia. Ke hoʻokomo houʻia nā hui electron-hole non-equilibrium i loko o ka semiconductor recombine, ua hoʻokuʻuʻia ka ikehu i hoʻokuʻuʻia ma keʻano o ka luminescence,ʻo ia ka luminescence recombination o nā mea lawe.

Nā pōmaikaʻi o nā laser semiconductor: ka liʻiliʻi liʻiliʻi, ke kaumaha māmā, ka hana hilinaʻi, ka hoʻohana haʻahaʻa haʻahaʻa, ka hana kiʻekiʻe, etc.

2.4YAG laser

ʻO YAG laser, kahi ʻano laser, he matrix laser me nā waiwai piha maikaʻi loa (optics, mechanics a me ka wela). E like me nā laser paʻa ʻē aʻe, ʻo nā mea maʻamau o nā laser YAG he mea hana laser, puna puna a me ka lua resonant. Eia nō naʻe, ma muli o nā ʻano like ʻole o nā ion i hoʻāla ʻia i loko o ke aniani, nā kumu puna a me nā ʻano pumping, nā ʻano hana like ʻole o ka lua resonant i hoʻohana ʻia, a me nā mea hana hana ʻē aʻe i hoʻohana ʻia, hiki ke hoʻokaʻawale ʻia nā lasers YAG i nā ʻano he nui. No ka laʻana, e like me ka neʻe ʻana o ka hawewe, hiki ke hoʻokaʻawale ʻia i ka nalu YAG laser, ka pinepine pinepine YAG laser a me ka laser pulse, etc.; e like me ka lōʻihi hawewe hana, hiki ke hoʻokaʻawale ʻia i 1.06μm YAG laser, pinepine pālua YAG laser, Raman pinepine hoʻololi YAG laser a me YAG laser tunable, etc.; e like me ka doping Hiki ke hoʻokaʻawale ʻia nā ʻano lasers like ʻole i Nd: YAG lasers, YAG lasers doped me Ho, Tm, Er, etc.; e like me ke ʻano o ke aniani, ua hoʻokaʻawale ʻia lākou i nā lasers YAG a me ka slab-shaped; e like me nā mana hoʻopuka likeʻole, hiki ke hoʻokaʻawaleʻia i ka mana kiʻekiʻe a me ka mana liʻiliʻi a me ka mana. YAG laser, etc.

Hoʻonui ka mīkini ʻoki laser YAG paʻa, hōʻike a hoʻopololei i ka kukuna laser pulsed me ka lōʻihi o ka nalu o 1064nm, a laila hoʻomālamalama a wela i ka ʻili o ka mea. Holo ka wela o ka ʻili i loko ma o ka hoʻoheheʻe ʻana i ka wela, a ʻo ka laulā, ka ikehu, ka mana kiʻekiʻe a me ka hana hou ʻana o ka pulse laser e hoʻomalu pono ʻia me ka digitally. Hiki i ka pinepine a me nā ʻāpana ʻē aʻe ke hoʻoheheʻe koke, hoʻoheheʻe a hoʻoheheʻe i ka mea, a laila e loaʻa ai ka ʻoki ʻana, ka hoʻoheheʻe ʻana a me ka ʻeli ʻana o nā alahele i koho mua ʻia ma o ka ʻōnaehana CNC.

Nā hiʻohiʻona: Loaʻa i kēia mīkini ka maikaʻi beam maikaʻi, kiʻekiʻe kiʻekiʻe, ke kumu kūʻai haʻahaʻa, kūpaʻa, palekana, ʻoi aku ka pololei, a me ka hilinaʻi kiʻekiʻe. Hoʻohui ia i ka ʻokiʻoki, wili, wili a me nā hana ʻē aʻe i hoʻokahi, e hoʻolilo iā ia i mea kūpono kūpono a me nā lako hana maʻalahi. ʻO ka wikiwiki o ka hana wikiwiki, ka hana kiʻekiʻe, nā pōmaikaʻi waiwai maikaʻi, nā ʻāpana lihi pololei liʻiliʻi, ka ʻoki ʻoki maʻemaʻe, ka nui o ka hohonu-a-diameter ratio a me ka liʻiliʻi o ka ʻaoʻao-a-ākea ratio thermal deformation, a hiki ke hana ʻia ma nā mea like ʻole e like me ka paʻakikī, brittle. , a palupalu. ʻAʻohe pilikia o ka hoʻohana ʻana i nā mea hana a i ʻole ke pani ʻana i ka hana ʻana, ʻaʻohe hoʻololi mechanical. He maʻalahi ka hoʻomaopopo ʻana i ka automation. Hiki iā ia ke hoʻomaopopo i ka hana ma lalo o nā kūlana kūikawā. He kiʻekiʻe ka maikaʻi o ka paila, a hiki i ka 20%. I ka hoʻonui ʻana o ka pono, e emi ana ka haʻahaʻa wela o ka medium laser, no laila e hoʻomaikaʻi nui ʻia ka beam. He lōʻihi kona ola maikaʻi, hilinaʻi kiʻekiʻe, liʻiliʻi liʻiliʻi a me ke kaumaha māmā, a kūpono no nā noi miniaturization.

Hoʻohana: He kūpono no ka ʻoki ʻana i ka laser, wili a me ka hoʻoheheʻe ʻana i nā mea metala: e like me ke kila kalapona, ke kila kila, ke kila kila, ka alumini a me nā ʻāpana, ke keleawe a me nā ʻāpana, ka titanium a me nā ʻāpana, nā nickel-molybdenum alloys a me nā mea ʻē aʻe. Hoʻohana nui ʻia i ka mokulele, aerospace, mea kaua, moku, petrochemical, lāʻau lapaʻau, mea kani, microelectronics, kaʻa a me nā ʻoihana ʻē aʻe. ʻAʻole wale ka maikaʻi o ka hana ʻana i hoʻomaikaʻi ʻia, akā hoʻomaikaʻi ʻia ka hana hana; Eia kekahi, hiki i ka laser YAG ke hāʻawi i kahi ala noiʻi pololei a wikiwiki no ka noiʻi ʻepekema.

 

Hoʻohālikelike ʻia me nā lasers ʻē aʻe:

1. Hiki i ka laser YAG ke hana i nā ʻano pulse a me nā ʻano hoʻomau. Hiki ke loaʻa i kāna puka pulse nā pulu pōkole a me nā puʻupuʻu ultra-pōkole ma o ka ʻenehana Q-switching a me ka mode-locking, no laila e ʻoi aku ka nui o kāna kaʻina hana ma mua o nā laser CO2.

2. ʻO 1.06um kona hawewe puka, ʻo ia hoʻi kahi kauoha o ka nui ma mua o ka CO2 laser wavelength o 10.06um, no laila he kiʻekiʻe ka hoʻohui ʻana me ka metala a me ka hana hana maikaʻi.

3. ʻO ka laser YAG he paʻa paʻa, ke kaumaha māmā, ka hoʻohana maʻalahi a me ka hilinaʻi, a me nā koi mālama haʻahaʻa.

4. Hiki ke hoʻohui ʻia ka laser YAG me ka fiber optical. Me ke kōkua o ka mahele manawa a me ka mana mahele multiplex system, hiki ke hoʻouna maʻalahi i hoʻokahi kukuna laser i nā keʻena hana he nui a i ʻole nā ​​​​hana hana mamao, e hoʻomaʻamaʻa i ka maʻalahi o ka hoʻoili ʻana i ka laser. No laila, i ke koho ʻana i kahi laser, pono ʻoe e noʻonoʻo i nā ʻāpana like ʻole a me kāu pono ponoʻī. Ma kēia ala wale nō e hiki ai i ka laser ke hoʻokō i kāna hana kiʻekiʻe. Pulsed Nd: Ua kūpono nā lasers YAG i hāʻawi ʻia e Xinte Optoelectronics no nā noi ʻoihana a me nā ʻepekema. Nd: Nā lasers paʻa paʻa a paʻa i ka pulse a hiki i ka 1.5J ma 1064nm me ka helu hou ʻana a hiki i 100Hz.

 


Ka manawa hoʻouna: Mei-17-2024