Kev tsim kho ntawm OPO lasers
Txawm hais tias OPO lasers tuaj yeem muaj nyob niaj hnub no raws li cov khoom siv ntsaws thiab ua si, lawv cov kev hloov pauv tsis tau ua tiav.
Optical parametric oscillators (OPOs) ua hauj lwm los ntawm kev siv ib tug siv lead ua los hloov ib tug mem tes-hom Nd:YAG laser thiab nws harmonics rau ib tug tej zaus. Yuav kom ua tiav "tuning", ob lub twj tso kua mis laser thiab OPO yuav tsum tau muab tso rau qhov tseeb. Cov kws tshawb fawb yuav tsum tau manually fine-tune cov muaju mus rau qib micron kom txog rau thaum lub wavelength xav tau mus txog.
Hauv kev ua haujlwm hauv ib hnub rau ib hnub, cov kws tshawb fawb yuav tsum tau saib xyuas qhov ua tsis zoo ntawm ob lub ntsiab lus. Txhawm rau kom muaj teeb meem nyuaj ntxiv, wavelengths ntawm qee zaus raug tso tawm los ntawm cov chaw nres nkoj sib txawv, uas feem ntau yuav tsum tau hloov kho ntawm qhov kev sim sab nraud.
Yug ntawm OPOTEK
Nws tau tawm tsam qhov teeb meem no uas cov kws tshawb fawb tau pom tias nws nyuaj heev los txhim kho thiab koom nrog OPO rau hauv cov ntawv thov kev lag luam.
Txog 45 xyoo dhau los, tom qab ntau xyoo hauv aerospace teb, Dr. Margalith tau kawm tias ib lub tsev kawm ntawv hauv Suav teb tab tom txhim kho cov pob zeb zoo nkauj, uas qhib nws lub qhov muag rau lub peev xwm loj ntawm OPO lasers. Thaum lub sij hawm, tunable lasers yog feem ntau raws li chemistry los yog dyes, uas yog tas mus li es tsis txhob pulsed thiab feem ntau raug kev txom nyem los ntawm cov teeb meem to. Tsis tas li ntawd, vim lawv qhov nyuaj siab, loj loj, thiab cov nqi kho mob kim, cov xim lasers yeej tsis tau txais kev lees paub dav dav hauv kev lag luam.
Nws tsis ntev ua ntej tus neeg ua lag luam tus ntsuj plig ntawm Dr. Margalith tau tsim thawj OPO laser tunable thiab ua tiav patented thev naus laus zis. Txij thaum ntawd los, OPOTEK tau yug los hauv nws lub chaw nres tsheb.
Thaum Lub Xya Hli 1993, OPOTEK tau dhau los ua thawj lub tuam txhab hauv Tebchaws Meskas kom muaj kev pom dav dav OPO. Ntau lub tuam txhab cov khoom lag luam tam sim no tshwm sim los ntawm qhov kev tsim tawm tshiab no. Txij thaum ntawd los, ntau yam kev nce qib hauv thev naus laus zis tau txuas ntxiv txhim kho thiab hloov kho kev ua haujlwm ntawm OPOs.
Niaj hnub no, Dr. Margalith hais tias txoj kev lees txais ntawm kev tsim lub OPO yog kev koom ua ke ntawm lub twj tso kua mis laser thiab OPO optics nyob rau hauv tib lub tsev thiab xyuas kom meej tias ob qho tsis tuaj yeem sib cais. Qhov kev tsim no tso cai rau tag nrho cov tunable laser tau yooj yim thiab nyab xeeb txav raws li xav tau.
Integrated software ntes cov kab ke ua ke thiab ua kev hloov kho thaum tsim nyog. Qhov kev ruaj ntseg no tshwj xeeb yog qhov tseem ceeb hauv kev lag luam ib puag ncig, xws li thaum tsiv cov cuab yeej siv duab los ntawm lub chaw kuaj mob mus rau chav tsev kho mob.
"Qee OPOs yav dhau los yog qhov tsis yooj yim heev uas yog tias lub kaw lus tau txav mus, cov kws ua haujlwm yuav tsum tau hloov kho nws," Dr. Margalith piav qhia, "Qhov no tsis tsim nyog rau OPOs ruaj khov niaj hnub no. Kev teeb tsa thiab kev cob qhia tsis tas yuav muaj kev txawj ntse sab nraud. Koj tuaj yeem ua tau. yuav cov khoom lag luam tawm ntawm lub txee thiab xa mus rau hmo ntuj zoo li cov khoom siv feem ntau. "
Automation tam sim no tswj tag nrho cov txheej txheem xws li twj laser harmonics, siv lead ua rotation optical tuning, waveform sib cais optics thiab attenuators. Cov neeg tsim khoom kuj tuaj yeem siv cov khoom siv txhim kho software los koom ua ke OPO cov software ua haujlwm zoo rau hauv lawv tus kheej software.
"Rau cov kws tshawb fawb los yog tuam txhab uas siv cov laser no hauv lawv cov khoom, nws yuav tsis yog qhov zoo tshaj plaws kom tau txais kev tswj hwm software cais los ntawm cov chaw tsim khoom ntawm lub tshuab tunable laser. Lawv xav muab tag nrho cov kev tswj hwm rau hauv lawv tus kheej software. Nyob rau hauv qhov chaw kawm, txuag tag nrho cov ntaub ntawv ntawm lub laser tsis yog qhov tseem ceeb rau kev ua haujlwm tsis sib haum xeeb yog qhov tseem ceeb rau txhua yam kev ua haujlwm, "piav qhia Dr. Little ntawm OPOTEK.
Kev sib koom ua ke automation thiab kev tswj hwm yog qhov tseem ceeb vim tias feem ntau cov lasers tau muab ntim rau hauv lub thawv loj dua, ua rau lawv nyuaj rau reprogram lossis kev pabcuam.
Cov khoom siv txhim kho software kuj tuaj yeem siv los teeb tsa programmable scans ntawm kev txiav txim siab ua ntej wavelengths hauv txhua qhov kev txiav txim. Qhov no muaj cov ntawv thov hauv qib siab, siab daws teeb meem duab. Lub hauv paus focusability ntawm lasers enables lawv mus ua piv txwv incredibly me me qhov chaw, ntsuas nyob rau hauv kaum ntawm microns. Los ntawm pre-programming lub laser, lub kaw lus muaj peev xwm rasterize thiab txav lub laser mus rau ntau qhov chaw los tsim high-resolution scans.
"Vim qhov no yog lub laser pulsed uas tua ntau zaus hauv ib ob, koj tuaj yeem nkag mus rau lub sijhawm koj xav kom nws tua hluav taws ntawm txhua lub wavelength thiab txiav txim siab pes tsawg zaus kom nce lossis txo lub wavelength," Dr. Little hais. "Tam sim no tag nrho cov kab hluav taws xob muaj zog los ntawm ib qho chaw nres nkoj, tso cai rau tus neeg teb xov tooj ncaj qha rau thaj tsam ntawm kev txaus siab rau kev tsom xam."
Qhov loj me yog cuam tshuam nrog tunable OPO laser. Yog tias OPO loj dhau lawm, kev ntsuas kev sib koom ua ke yuav nyuaj dua thiab tag nrho cov hneev taw ntawm cov khoom kawg yuav loj. Qhov no yog ib qho tseem ceeb heev uas xav txog qhov yuav tsum tau muaj ntawm qhov chaw tshawb fawb.
Dr. Me xub kawm txog OPO lasers ua ib tug kawm tiav ntawm Louisiana State University. Nws nco qab tias OPOs thaum ntxov yog "loj heev, siv tau yooj yim, thiab feem ntau puas lawm. Ib qho OPO yog 12 feet ntev."
Niaj hnub no, OPOTEK muaj ib qho ntawm cov me me tunable lasers nyob rau hauv kev ua lag luam: lub "shoebox" - qhov loj me Opolette 2940. Txawm hais tias nws tseem yuav tsum tau ib tug "lub hnab" - loj zog mov nrog dej txias, lub 2.94-micron OPO laser lub taub hau occupies ib tug me me hneev taw. Txawm hais tias tseem xav tau "lub hnab ntawv" qhov loj me ntawm lub zog nrog cov dej txias, OPO laser lub taub hau 2.94 micron laser tsuas muaj hneev taw ntawm 9.5 x 4.5 x 7.5 nti.
Raws li Dr. Me, qhov me me ua rau lub zog ntawm lub laser thiab ntxiv stabilizes cov khoom nyob rau hauv cov vaj tse sib xyaw.
Ib qho tshwj xeeb ntawm OPOs niaj hnub no yog lub peev xwm xa tau ntau yam ntawm wavelengths los ntawm fiber ntau optics. Fiber optics tau dhau los ua thawj txoj hauv kev ntawm kev xa cov lasers vim nws yooj yim rau kev teeb tsa thiab txiav tawm. Tsis tas li ntawd, nws tiv thaiv cov neeg siv kawg ntawm lub teeb pom kev lossis qhov muag pom vim tias lub teeb kis tau los ntawm lub raj kaw.OPOTEK muaj fiber ntau xa khoom rau tag nrho nws cov khoom, tsis hais lub zog ntawm qib.
Keeb kwm, OPO lasers koom nrog txoj kev hloov kho phau ntawv thiab kev sib raug zoo. Kev nce qib hauv thev naus laus zis tau hloov cov lasers rau hauv cov khoom siv plug-and-play uas ruaj khov thiab siv tau yooj yim. Niaj hnub no OPO lasers, yooj yim rau siv thiab txhim khu kev qha, tuaj yeem siv rau hauv kev lag luam thiab kev kawm hauv chaw kuaj mob rau kev txhim kho cov ntawv thov.
"Cov kws tshawb nrhiav kev kawm yuav tsum muaj peev xwm tsom mus rau lawv cov kev tshawb fawb es tsis yog sim tweak lossis kho lub laser," raws li Dr. Margalith, "Nrog lub zoo OPO laser, lawv cov cuab yeej yuav tuaj yeem ua haujlwm tawm. -box functions."
