
bezel beam

aadya tharatthilulla oru bezel function amplitude vivarikkunna oru tharamgamaanu bezel beam. vaidyuthakaanthika, shabda, guruthwaakarshana, dravya tharamgangal ennivayellaam besal kiranangalude roopathilaakaam. oru yadhaartha bezel beam vikshepanamillaathathaan. ithinartham athu vyaapikkumbol, athu vyathichalikkukayum vyaapikkukayum cheiyunnilla; ithu oru cheria sthalathekku shradha kendreekarichu kazhinjaal vyaapikkunna prakaashatthinte (allengil shabdam) saadhaarana swabhaavathinu virudhamaanu. bessel beam "svayam sukhappeduthal" koodiyaanu, athaayath oru ghattathil beam bhaagikamaayi thadassappeduthaamenkilum beam achuthandinu thaazheyulla oru ghattathil veendum roopappedum.
oru samathala tharamgatthilennapole, oru yadhaartha bezel beam srishtikkaan kazhiyilla, kaaranam athu paridhiyillaathathum ananthamaaya oorjjam aavasyamullathumaanu. ennirunnaalum, nyayamaayum nalla ekadesha kanakkukal undakkaan kazhiyum, iva pala opttikkal aaplikkeshanukalilum pradhaanamaan, kaaranam avaa parimithamaaya doorathil defraction kuravo illayo kaanikkunnu. bezel-gass beam srishtikkunnathinaayi oru aaksikon lense upayogichu oru gassian beam focus cheytho, axis-cemetric defraction graattingukal upayogicho allengil vidoora feeldil oru idungiya vaarshika apperchar sthaapicho aanu bezel beemkalude ekadesha kanakk praayogikamaayi nadathunnathu. sarppila defraction graattingukal vazhi hye oordar bessel beam srishtikkaan kazhiyum.
swathukkal.
bessel beemkalude gunangal avaye opttikkal tweasinginu valare upayogapradamaakkunnu, kaaranam oru idungiya bessel beam beam thaarathamyena neelamulla bhaagath irukiya fokkasinte aavashyamaaya savisheshatha nilanirtthum, koodaathe dialectric kanikakal bhaagikamaayi adaykkumbozhum. athupole, tharamgamekhalayum athinte pathayil sthaapichirikkunna oru kanikayum thammilulla shabdavegathayude kaimaattatthinte falamaayi chitharikkidakkukayum oru vikiranashakthi srishtikkukayum cheiyunna oru bezel beam upayogichaanu shabdachakrangalumaayulla kanika krithrimathvam kaivarichathu.
laplace samavakyathinum silindar kordinettukalile helmholds samavakyathinum verthirikkaavunna pariharangalil ninnu uthbhavikkunna besalinte deferential samavaakyathinte parihaaramaan besal beam vivarikkunna ganithashaasthra pravartthanam. adisthaana seero oordar bezel beam uthbhavasthaanath paramavadhi amplitude ullappol hye oordar bezel beam (hoob) beam aaksisil oru axial phase singulaaritti undu; amplitude avide poojyamaanu. hobukal chuzhalikkaatt (helicoidal) allengil chuzhalikkaatt ithara tharangal aakam.
sthiramaaya vegathayil sanjarikkukayum prakaashatthinte vegatha kavian kazhiyukayum cheiyunna besal beemkalude prathyeka superpositionukalaanu ex-vevukal.
bezel beemkalude ore noonn-defractive, svayam-rogashanti gunangalullathum ennaal vyathyastha transwers gadanakalullathumaaya mattu tharam noonn-defractive beemkalaanu maathyoo beemkalum parabolic (weber) beemkalum.
thvaranam.
2012ll saidhaanthikamaayi theliyikkappedukayum pareekshanaathmakamaayi theliyikkappedukayum cheytha avayude prarambha ghattathil prathyeka krithrimathvam nadathunnathiloode, swatantra idathile ekapaksheeyamaaya sanjaarapathangaliloode vegathilaakkaan besal beam nirmmikkaan kazhiyumennu. oru staanderd bezel beemsinte cemetric profileine vaayusanjaaramulla beam, athinte athiraalikal ennivayude svayam-thwarithappeduthal savisheshathayumaayi samyojippikkunna sankarayinangalaayi eee kiranangale kanakkakkaam. thwarithappeduthunna bessel kiranangal nirmmikkunnathinulla muun sramangalil helical, sinusoidal sanjaarapathangalulla kiranangalum peacewise strait sanjaarapathangalulla kiranangalkulla aadyakaala shramavum ulppedunnu.
attakuttappanikalkkull nashtapariharam.
beam theevratha kurayunnathinu kaaranamakunna vasthukkaliloode sanjarikkumbol beam nashtangal nerittekkaam. vaayusanjaaramulla beam, bezel beam thudangiya vikshepanamillaatha (allengil prachaarana-invariyant) beemkalkk pothuvaaya oru savisheshatha, beam mattu savisheshathakalil kaaryamaaya maattam varuthaathe beam deerghadairkhyamulla theevratha cover niyantrikkaanulla kazhivaanu. sanjarikkumbol theevrathayil valarunna bessel beam srishtikkaan ithu upayogikkaam, koodaathe nashtangale prathirodhikkaan ithu upayogikkaam, athinaal athu vyaapikkumbol sthiramaaya theevrathayude oru beam nilanirthunnu.
aaplikkeshanukal.
imajing microscopy.
laitt-sheett fluorescence microscopy, noonn-defracting (allengil propagation-invariyant) beemukal valare neelamullathum ekeekrithavumaaya laitt sheettukal nirmmikkaan upayogichittundu, avayude neelatthil kaaryamaaya maattam varunnilla. oru gausiyan beam ennathinekkaal chitharunna tissueviloode sanjarichathinu sesham beam aakruthi vikruthamaakaathathinaal bessel beemkalude svayam-rogashanti savisheshatha aazhathil mechappetta chitra gunanilavaaram nalkunnuvennu thelinjittundu. bezel beam adisthaanamaakkiyulla laitt sheett microscopy aadyamaayi 2010 ll pradharshippichuvenkilum athinusesham niravadhi vyathiyanangal undaayittund. bezel beam adisthaanamaakkiyulla laitt sheett microscopic attenyuyeshan-compensation upayogikkaamennum biological saambilukalkkullil kooduthal aazhathil imaging praapthamaakkaamennum 2018 ll kaanichu.
acoustofluidics.
thirashcheena thalangalil paramavadhi mardhavum kuranja mardhavum ulla kendreekritha vrithangal ullathinaal bessel beam thiranjedukkappetta trappingin nalloru sthaanaarthiyaanu.

