
radial dhruveekaranam

beemte oro sthaanathum dhruveekaranam (vaidyutha mandalam) vekttar beemte madhyabhaagathekku choondikkaanikkukayaanel prakaashakiranathinu radial dhruveekaranamund. praayogikamaayi, radial polarised beam oru ekadesha kanakk nalkaan tharamgaphalakangalude oru nira upayogikkaam. eee saahacharyathil beam segmentukalaayi thirichirikkunnu (udaaharanathinu ettu), oro segmentinteyum sharashari dhruveekarana vekttar beam sentarilekku nayikkunnu. 
radial dhruveekaranam palavidhatthil srishtikkaan kazhiyum. oru beam dhruveekaranathe radial avasthayilekku parivartthanam cheyyaan q-upakaranangal ennu vilikkappedunnathu upayogikkaan kazhiyum. atharam upakaranangalude ettavum lalithamaaya udaaharanam, dhruveekaranatthinte ekeekritha prarambha avasthayil oru tharamgatthinte transwersali inhomogeneous polaraiseshan parivartthanangal nadathunna inhomogeneous anisotropic bairfrimjant tharamgaphalakamaanu. draavaka kristtal, metasarface kyu-plettukal ennivayaanu mattu udaaharanagal. koodaathe, oru lazer allengil eathenkilum koottiyinakkappetta prakasha srothass upayogichu oru radial polarised beam nirmmikkaan kazhiyum, athil broosttarinte konil broosttar windoic pakaram oru koonn sthaapikkunnu. rotated broosttar angle polariser" ennu vilikkappedunna randaamathethu aadyamaayi nirddeshikkukayum polaroid korppareshanil (polaroid opttikkal enchiniyaring vakupp) gyoora radial-polarised vaarshika puple nirmmikkunnathinayi (1986) prayogatthil varuthukayum cheythu., cambridge, masaachyusets) avarude phottoon tunneling microscopyl suuppar resolution nedunnathinu. vajrathe thirikkunnath vazhi roopappetta oru loha dvi-koonn oru glass silindarinullil gadippichirunnu. eee upakaranathilekku praveshikkunna koottupalisha velicham dvi-konilulla rund vaayu-loha prathifalanangalkkum glass silindarinullile broosttar konilulla oru vaayu-glass prathiphalanatthinum vidheyamaayi, angane radial-polarised prakaashamaayi purathukadakkunnu. samanamaaya oru upakaranam pinneedu kosawa veendum nirddeshichu. 
polaraiseshan vekttar beam tangential aayirikkunna "asimuthal polaraiseshan" aanu anubandha ashayam. oru lazer oru bairfrimjant metteeriyalinte opttik aaksisil focus cheythittundenkil, radial, asimuthal dhruveekaranangal vyathyastha thalangalil focus cheiyunnu. thaalpparyatthinte dhruveekaranam thiranjedukkaan oru speshyal filter upayogikkaam. radial, asimuthal dhruveekaranamulla kiranangal "silindar vekttar beemukalude" vibhaagathil ulppeduthiyittundu.
oru radial polarised beam kooduthal parambaraagatha leanier allengil vrithaakrithiyilulla polarised beam ennathinekkaal cheria focused spott nirmmikkaan upayogikkaam, koodaathe opttikkal trappingil upayogikkunnu.
mooad division multiplexing vazhi swatantra bahirakasha opttikkal aashayavinimayathinte vivara sheshi vardhippikkaan oru radial polarised beam upayogikkaamennum radial polaraiseshan thadassappedumbol "svayam sukhappeduthaanum" kazhiyumennum theliyikkappettittund.
theevramaaya theevrathayil, aapekshika theevrathayumulla radial-polarised lazer pulsukal, spectral vaividhyam, dhruveekarana reethi parivartthanam, uchithamaaya dispersion compensation ennivayiloode kurachu saikkil pulse dairkhyangal enniva pradarshippichittundu. swathanthrasthaanathu kanika thwaranathinulla chaalakanayi aapekshika rekhamsha vaidyutha mandala ghadakam nirddeshikkappedukayum proof-oof-kanseptt pareekshanangalil pradarshippikkukayum cheythittundu.

