Diffractive optical abubuwaDOE Ana amfani da laser kayan aiki, likita da kyau

Diffractive optical abubuwa

Abubuwan gani na diffraction (DOEAmfani da zane na microstructure don canza matakin hasken da yake yaduwa. Microstructure na asalin farfajiyar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirar ƙirarDOEFasahar ta cimma ayyuka da yawa da ayyukan haske da tsarin gani na gargajiya ba zai yiwu ba. A cikin aikace-aikace da yawa, waɗannan fasahohin suna inganta aikin tsarin sosai. Abubuwan gani na diffraction suna da fa'idodi da yawa, misali: babban inganci, daidaito, ƙananan girma, ƙananan nauyi, mafi mahimmanci yana da sassauci don biyan buƙatun aikace-aikace daban-daban.

DOEKayayyakin: splitter da kuma haske rectifier.

haske splitterDOEAna amfani da shi don rarraba hasken laser guda ɗaya zuwa haske da yawa, kowane haske yana da halaye iri ɗaya da hasken shiga (ban da ikon da kusurwar yaduwa). Dangane da diffraction tsari na splitter,Splitter iya samar da1Dimensional haske Array1×Nko2Dimensional haske MatrixM×N). Mai rarrabaDOEHakanan za a iya rarraba hasken shiga zuwa rarraba wurare daban-daban, kamar zagaye, tsari na bazuwar, tsarin hexagon, da sauransu. Mai raba haske yana buƙatar amfani tare da haske mai launi ɗaya (misali, hasken laser) tare da kusurwar raba tsakanin takamaiman tsawon raƙuman ruwa da kuma takamaiman hasken fitarwa.

Hasken haske yana iya canza kusan Gaussian hasken haske a kan aiki zuwa daidaitaccen haske mai zagaye, daidaitacce, murabba'i da layi, da kuma gefen ƙirar (rarraba ƙarfin haske). Yana da kyau a bayyane, a lokaci guda haske plasticizer iya cimma fitarwa ƙarfin rarraba daidai, ba da damar daidai sarrafa farfajiyar lokacin da laser aiki, hana wani takamaiman yanki da yawa fallasa ko rashin isasshen fallasa. Bugu da ƙari, spots suna da yankunan sauyawa masu tsayi, saboda haka suna samar da iyaka tsakanin yankunan da ba a sarrafa su ba. haske rectifier jerin sun hada da equalizer,top-hat, Spiral ruwan tabarau (spiral mataki panel) da kuma diffraction shaft cone mirror.

DOETypical aikace-aikace

Tare da ƙaruwar ƙarfin laser, abubuwan gani na masu amfani da tsarin haɗin gwiwa da yawa bazai iya jurewa da laser mai ƙarfi ba. Saboda haka, laser induced lalacewa ƙofar(LIDTkoLDTA sigogi ya zama muhimmin abu a lokacin da za a zabi optical sassa. Babban ƙuntatawar lalacewa na kayan gani na diffraction ya sa ya zama kyakkyawan zaɓi don tsarin masana'antu mai ƙarfi da aikace-aikace. Laser kayan aiki aikace-aikace da kuma laser-tushen likita kyau (medical aesthetic) duka bukatar high-iko laser.

Hotuna1daban-daban splitter Spot rarraba daga hagu zuwa dama:5×5Array, bazuwar, hexagon array, zagaye

Hotuna2Sakamakon daban-daban haske siffofin, daga hagu zuwa dama: homogeneizer, flat-top haske, vortex ruwan tabarau da kuma diffractive prism

Aikace-aikacen kayan gani na diffraction a aikace-aikacen sarrafa kayan laser

Kwanan nan, ci gaban sabon tsarin laser don buƙatun masana'antu ya ƙaru. An haɓaka sabbin hanyoyi da yawa, da yawa daga cikin hanyoyin sarrafawa na gargajiya an maye gurbin su da hanyoyin sarrafawa na laser. Laser kayan aiki yana da babban ɓangare na dukan kasuwar laser,DOEYana taka muhimmiyar rawa wajen samar da tsarin daidaitawa na laser. Laser beam shaping da uniformization fasaha ne muhimmanci matakai don inganta da yawa laser kayan aiki aikace-aikace.DOEYawancin lokaci ana amfani da laser burning da kuma laser aiki tsarin, laser hakowa, laser yankan da sauran aiki don samar da kananan halaye tsarin a kan farfajiyar.

DOELaser-tushen beauty magani

Yayin da amfani da fasahar laser ta zama kayan aiki mafi mahimmanci a fannin kiwon lafiya da kyau, ikon sarrafa fitarwar laser ya zama mai mahimmanci.DOEYana ba da mafita ta musamman da ke ba da damar hasken ya yi aiki ta hanyoyi da yawa yayin da yake kiyaye hasken abubuwa. Magani na kyau yawanci yana amfani da laser mai ƙarfi. Yana buƙatar laser daidai da daidai haske fallasa, tare da daidai m gefe, yayin da yake da high inganci. Wannan shine mafita mai kyau don yin amfani da na'urorin gani na haske don tsara haske.DOEAna amfani da shi sau da yawa don cire gashi ta laser, cire tattoo ta laser, gyara fata, sake samar da fata da sauransu.

Diffractive optical abubuwa - splitter

Ka'idar aikin splitter tana da sauƙi. Dangane da abokin ciniki tsarin bukatun, shigar da haske daga straight, fitarwa haske a raba kusurwa daga splitterDOEfita, da rabuwa angle aDOEAn ƙayyade a lokacin zane da kuma raba kusurwa ne sosai daidai (kuskure<0.03mRad). An tsara rabuwa da haske don filin nesa. Saboda haka, tare da haske aDOEBayan ya ci gaba da yaduwa, sun zama mafi bayyane.

Hotuna3Mai rarrabaDOEasali saitunan,EFL =Effective mayar da hankali nesa,m =lambar matakai na Multi-point (maki), θs=rabuwa kusurwa tsakanin biyu mayar da hankali,d = 2nesa tsakanin mayar da hankali (spacing), θf= cikakken kusurwa,D =tsawon haske point array

Hotuna4 1×6Multipoint yaduwa a cikin m kafofin watsa labarai

Multi-spots da aka samar tare da "darajar sifili" ba su da karkatarwa kuma hasken yana bin dokar tunani da karkatarwa. Ga misali splitter tare da m adadin haske, rabuwa kusurwa ne lambar layi+1da yawan matakai0kusurwa tsakanin (lambar matakai0ne da ake so haske). Ga misali splitter tare da daidaitaccen adadin haske, raba kusurwa ne+1matakai da-1A kusurwa tsakanin matakai (Zero matakai ba a bukata haske).

Diffractive optical abubuwa - amfaniDOEShaping haske

The diffractive hasken rectifier ne wani mataki bangare, a wani takamaiman aiki nesa shi canza Gaussian shigar da hasken zuwa daidai da m gefe. Kowane fasalin haske yana iya amfani da shi ne kawai a ƙarƙashin takamaiman yanayin gani, watau, saitin sigogin tsarin gani na musamman: tsawon raƙuman ruwa, girman hasken shigarwa, nesa na aiki da girman fitarwa.

Mafi mahimmanci saitunan a cikin aikace-aikacen hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken

Flat saman haske rectifier

Top Cap hasken rectifier ana amfani da shi kusan sauya gaussian intrusion laser hasken zuwa daidaitaccen karfi na zagaye, rectangular, murabba'i, layi ko wasu siffofi, tare da high quality m gefe a takamaiman aiki jirgin sama. Don samun ingancin hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken haskenTEM00），M2darajar<1.3.

Ta hanyar fasalin haske na haske zai iya barin daidaitaccen haske a farfajiyar abu da ake sarrafawa, kuma zai iya hana yawan fallasa ko rashin fallasa a kan wani yanki. Bugu da ƙari, wannan wuri yana da kyakkyawan yankin sauyawa wanda ke samar da iyaka mai kyau tsakanin yankin da ba a sarrafa shi ba da yankin da ba a sarrafa shi ba. Top Hat haske plasticizer tare da high inganci (yawanci> 95% m), kyakkyawan uniformity (yawanci ±51%), m sauyawa yanki da kuma high laser lalacewa ƙuduri. Bugu da ƙari, Top-Cap Beam Shaper yana da hankali ga girman hasken shigarwa, nesa na aiki da motsi na sassa. Flat samanDOEYawancin lokaci ana amfani da su don aikace-aikacen sarrafa kayan laser (Laser burning, Laser yankan, Laser hakowa), maganin kyau (tattoo da gogewar gashi), aikace-aikacen kimiyya (Flow cytometry) da sauransu.

homogenizer - haske rectifier

optical equalizerDOECanza single-mode ko multi-mode shigarwa haske zuwa fili bayyana fitarwa haske, wanda aka siffanta da wani abu da ake so siffar da kuma daidai sama karfi. Mafi yawan siffofin da aka samu daga masu watsawa sune zagaye, murabba'i, rectangular, oval da hexagonal. A lokaci guda, kusan kowane siffar hoto za a iya tsarawa. Edge na watsawa haske ne yawanci steep iya ƙayyade. Rashin tsakanin kusurwar watsawa na shigarwa da kusurwar watsawa na equalizer yana ƙayyade rabo tsakanin yankin sauyawa da yankin homogenization na hasken fitarwa. Don cimma karfin rarraba haske a cikin nisa filin ko mai da hankali jirgin sama cimma m,DOEThe homogenizer rarraba hasken shiga a rabin batun batun batun batun batun batun batun batun batun batun batun batun. Wannan hanyar tana iya tsara abubuwa da za su iya samar da kowane siffa tare da daidai kusurwar fitarwa da girma a cikin yanayi mai ƙarfin haske. The diffuser aiki ya dogara sosai da shiga haske sigogi, Bugu da ƙari, ta amfani da highM2Shigar da haske zai iya cimma mafi girma uniformity (Fig.7). The homogenizer haske rectifier ba m ga haske size, displacement da kuma abubuwa karkata. Yana ba da babban ƙofar lalacewar laser yayin da daidaito da inganci ke canzawa tare da zane. HomogenizerDOEYawancin lokaci ana amfani da aikace-aikace na laser kayan aiki (laser walda, laser brazing), kyakkyawan magani (tattoo/Hairdrying, jiki profile) da sauransu.

Hotuna5Hasken ShaperDOEasali saitunan,d =samar da Spot size,D =haske diamita,EFL =Effective mayar da hankali nesa.

Hotuna6Top Hat ƙarfin rarraba, hagu: square, dama: zagaye

Hotuna7Homogenizer aiki bisaM2Canji, hagu:M2 = 1dama:M2 = 10 Hotuna8Turbo ruwan tabarauDOEMatakala

Diffractive optical abubuwa - sarrafawa fasa sassa

Turbo ruwan tabarauDOECanza rarraba shigarwar Gaussian zuwa zoben makamashi na zobe. Spiral Phase Board wani bangare ne na musamman na gani wanda tsarinsa ya ƙunshi gaba ɗaya daga mataki mai ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin ƙarancin. Total zurfin engraving daga saman zuwa kasa na "matakala" ne aiki na tsara wavelengths da kuma gani index na substrate. A ƙarƙashin yanayi na yau da kullun, zurfin yana da nau'i iri ɗaya tare da tsawon raƙuman zane. Saboda haka, kowane vortex panel ne musamman wavelength. Optical vortex bukatar shigar da daidai daya mode(TEM00) Gauss shigar da haske, kuma ya canza shi zuwaTEM01Axis symmetry yanayin.

Yin amfani da mafi girma shigarwa haske diamita yana da biyu bayyane amfani. Da farko, mafi girma haske kadan rage fitarwa biyuDOEDaidaita hankalin haƙuri. Na biyu, babban diamita na hasken shigarwa zai iya samar da ƙananan vortex points, wanda yawanci sakamakon da ake so a cikin aikace-aikace da yawa. Turbo ruwan tabarau yana da high inganci (yawanci> 90% da ƙananan ƙarancin lalacewa. Yana da hankalin motsi da juyawa na abubuwa. Turbo ruwan tabarauDOEYawancin amfani da kayan aiki aikace-aikace (walda), gani sadarwa (gani yanayin canzawa da samar), kimiyya aikace-aikace(STEDNa'urar gani, na'urar gani) da sauransu.

takamaiman:

A cikin 'yan shekarun nan, kayan gani na diffraction sun zama fasaha mai girma da kuma amfani da su sosai.DOEFasahar da aka fi amfani da ita ga hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken hasken. Ana amfani da shi a fannoni kamar aikace-aikacen sarrafa kayan laser, aikace-aikacen likita da kyau da kimiyya, kuma yana da babban kasuwa wanda ke da babban ɓangare na dukan kasuwar aikace-aikacen laser. Saboda ci gaba da haɓaka ƙarfin laser da kuma tsananin buƙatun daidaito,DOEBabban ƙofar lalacewar laser da halaye masu daidaito suna sa ya zama ingantaccen mafita don magance matsalolin aikace-aikacen laser.