Kakaretso
Polarization optics e sebelisetsoa ho fetola boemo ba polarization ea mahlaseli a kotsi. Li-optics tsa rona tsa polarization li kenyelletsa li-polarizers, li-wave plates / retarders, depolarizers, Faraday Rotators, le li-isolators tsa mahlo holim'a mahlaseli a UV, a bonahalang, kapa a IR.
Li-wave plates, tse tsejoang hape e le li-retarders, li fetisa leseli le ho fetola boemo ba lona ba polarization ntle le ho nyenyefatsa, ho kheloha, kapa ho suthisetsa leseli sebakeng. Ba etsa sena ka ho chechisa (kapa ho lieha) karolo e le 'ngoe ea polarization mabapi le karolo ea eona ea orthogonal. A wave plate ke ntho ea mahlo e nang le lilepe tse peli tse ka sehloohong, tse liehang ebile li potlakile, tse rarollang lebala la ketsahalo hore e be maballo a mabeli a pota-potileng. Lehlaseli le hlahang le kopana hape ho etsa phallo e khethehileng ea polarized. Lipoleiti tsa maqhubu li hlahisa maqhubu a tletseng, halofo le kotara ea ho lieha. Li boetse li tsejoa e le "retarder" kapa "retardation plate". Ka leseli le se nang polarized, lipoleiti tsa maqhubu li lekana le lifensetere - ka bobeli ke likarolo tse bataletseng tsa optical tseo leseli le fetang ho tsona.
⊙Quarter-wave plate: ha mabone a polarized linearly a kenngoa ka likhato tse 45 ho ea ho axis ea quarter wave plate, tlhahiso e pota-potiloe ka polarized, 'me ka tsela e fapaneng.
⊙Half-wave plate: Half-wave plate: Half-wave plate e potoloha leseli la polarized ho ea sebakeng sefe kapa sefe se lakatsehang. The angle rotation e habeli pakeng tsa ketsahalo polarized light le optical axis.
Laser Zero Order Air-Spaced Quarter-Wave Plate
Laser Zero Order Air-Spaced Half-Wave Plate
Lipoleiti tsa maqhubu li loketse ho laola le ho hlahloba boemo ba polarization ea leseli. Li fanoa ka mefuta e meraro ea mantlha - taelo ea zero, tatellano e mengata, le achromatic - e 'ngoe le e' ngoe e na le melemo e ikhethang ho latela ts'ebeliso e teng. Kutloisiso e matla ea li-terminologies tsa bohlokoa le litlhaloso li thusa ho khetha leqhubu le nepahetseng, ho sa tsotellehe hore na tsamaiso ea optical e bonolo kapa e rarahane hakae.
Terminology & Litlhaloso
⊙Birefringence: Lipoleiti tsa Wave li entsoe ka thepa ea birefringent, hangata e le kristale quartz. Lisebelisoa tsa Birefringent li na le li-indices tse fapaneng hanyane tsa refraction bakeng sa leseli le polarized maemong a fapaneng. Ka hona, ba arola leseli le sa bonahaleng la ketsahalo ka likarolo tsa eona tse bapileng le tsa orthogonal tse bontšitsoeng setšoantšong se latelang.
Birefringent Calcite Crystal e Arohanyang Leseli le sa Lebelloang
⊙Fast Axis le Slow Axis: Khanya e polarized ho latela axis e potlakileng e kopana le index e tlase ea refraction mme e tsamaea ka potlako ho feta lipoleiti tsa maqhubu ho feta leseli le polarized haufi le axis butle. Axis e potlakileng e bonts'oa ke letheba le lenyenyane kapa letheba le bophara ba axis e potlakileng ea poleiti e sa phahamisoang, kapa letšoao le holim'a sele ea leqhubu le phahamisitsoeng.
⊙Retardation: Retardation e hlalosa phetoho ea mohato lipakeng tsa karolo ea polarization e hlahisitsoeng haufi le axis e potlakileng le karolo e hlahisoang ho latela axis e liehang. Ho lieha ho hlalosoa ka likarolo tsa likhato, maqhubu, kapa nanometers. Leqhubu le le leng le felletseng la ho lieha ho lekana le 360°, kapa palo ea nanometers ho bophahamo ba maqhubu a thahasello. Mamello ho ho lieha ho boleloa ka likhato, likaroloana tsa tlhaho kapa tsa decimal tsa leqhubu le felletseng, kapa nanometers. Mehlala ea litlhaloso tse tloaelehileng tsa ho lieha le mamello ke: λ/4 ± λ/300, λ/2 ± 0.003λ, λ/2 ± 1°, 430nm ± 2nm.
Lintlha tse tsebahalang haholo tsa ho chechisa morao ke λ/4, λ/2, le 1λ, empa litekanyetso tse ling li ka ba molemo lits'ebetsong tse itseng. Ka mohlala, ho nahanisisa ka hare ho tloha ho prism ho baka phetoho ea mohato pakeng tsa likarolo tse ka 'nang tsa e-ba bothata; waveplate e lefang e ka khutlisetsa polarization e lakatsehang.
⊙Litaelo tse ngata: Ka lipoleiti tse ngata tsa maqhubu a odara, ho lieha ho felletseng ke ho lieha ho batloang hammoho le palo e felletseng. Karolo ea palo e feteletseng ha e na phello mosebetsing, ka tsela e tšoanang le eo oache e bontšang motšehare kajeno e shebahalang e tšoana le e bontšang motšehare ka mor'a beke - le hoja nako e ekelitsoe, e ntse e bonahala e tšoana. Leha li-waveplates tse otarang tse ngata li entsoe ka thepa e le 'ngoe feela ea birefringent, li ka ba tse teteaneng, tse nolofatsang ho ts'oaroa le ho kopanya sistimi. Leha ho le joalo, botenya bo phahameng bo etsa hore li-waveplate tse ngata tsa tatellano e be bonolo haholoanyane ho fetoha ha maemo ho bakoang ke ho fetoha ha leqhubu kapa ho fetoha ha mocheso o teng.
⊙Zero Order: Leqhubu la leqhubu la zero le etselitsoe ho fana ka tšitiso ea maqhubu a felletseng a zero ntle le ho feta, hammoho le karoloana e lakatsehang. Ka mohlala, lipoleiti tsa Zero Order Quartz Wave li na le li-waveplate tse peli tse ngata tsa quartz tse nang le lilepe tsa tsona tse tšetsoeng e le hore ho lieha ho atleha ke phapang pakeng tsa bona. Leqhubu le tloaelehileng la zero order wave plate, le tsejoang hape e le kompone ea zero order wave plate, e na le li-wave plates tse ngata tsa ntho e ts'oanang ea birefringent e behiloeng ka tsela e ts'oanang le axis ea optical. Ho beha lipoleiti tse ngata tsa maqhubu ho loantšana le liphetoho tsa ho lieha ho etsahala lipoleiting tsa maqhubu ka bomong, ho ntlafatsa botsitso ba ho lieha ho fetoha ha maqhubu a maqhubu le ho fetoha ha mocheso o teng. Lipoleiti tse tloaelehileng tsa maqhubu a li-zero ha li ntlafatse phetoho ea ho lieha ho bakoang ke lehlakoreng le fapaneng la liketsahalo. A True zero order wave plate e na le thepa e le 'ngoe ea birefringent e fetotsoeng poleiti e tšesaane haholo e ka bang botenya ba li-micron tse' maloa ho fihlela boemo bo itseng ba ho lieha ka tatellano ea lefela. Le hoja bosesane ba poleiti bo ka 'na ba etsa hore ho be thata ho sebetsana kapa ho phahamisa waveplate, li-waveplate tsa' nete tsa zero li fana ka botsitso bo phahameng ba ho lieha ho fetoha ha leqhubu, ho fetoha ha mocheso o teng, le boemo bo fapaneng ba liketsahalo ho feta maqhubu a mang. Lipoleiti tsa Zero Order Wave li bonts'a ts'ebetso e ntle ho feta lipoleiti tsa maqhubu a odara tse ngata. Li bonts'a bandwidth e pharalletseng le kutlo e tlase ho mocheso le liphetoho tsa wavelength mme li lokela ho nahanoa bakeng sa lits'ebetso tse bohlokoa haholo.
⊙Achromatic: Li-waveplates tsa Achromatic li na le lisebelisoa tse peli tse fapaneng tse felisang ho hasana ha chromatic. Lilense tse tloaelehileng tsa achromatic li entsoe ka mefuta e 'meli ea likhalase, tse bapisitsoeng ho fihlela bolelele bo lakatsehang ha li ntse li fokotsa kapa li tlosa phallo ea chromatic. Li-waveplates tsa Achromatic li sebetsa ka molao-motheo o tšoanang. Mohlala, li-waveplates tsa Achromatic li entsoe ka kristale quartz le magnesium fluoride ho fihlela ho lieha ho sa feleng ho pholletsa le sehlopha se sephara sa spectral.
⊙Super Achromatic: Super achromatic waveplate ke mofuta o ikhethileng oa waveplate ea achromatic e sebelisoang ho felisa ho hasana ha chromatic bakeng sa waveband e pharaletseng haholo. Li-waveplate tse ngata tsa super achromatic li ka sebelisoa bakeng sa pono e bonahalang hammoho le sebaka sa NIR tse haufi le tse tšoanang, haeba li se betere, tse ts'oanang ho feta li-wave tsa achromatic. Moo li-waveplates tse tloaelehileng tsa achromatic li entsoe ka quartz le magnesium fluoride ea botenya bo itseng, maqhubu a super achromatic a sebelisa sapphire substrate e eketsehileng hammoho le quartz le magnesium fluoride. Botenya ba li-substrates tse tharo kaofela bo ikemiselitse ho felisa ho hasana ha chromatic bakeng sa mefuta e mengata e telele ea maqhubu.
Tataiso ea Khetho ea Polarizer
⊙Lipoleiti tse ngata tsa Order Wave
Leqhubu la maqhubu a tlase (a mangata) le etselitsoe ho fana ka ho lieha ha maqhubu a mangata a tletseng, hammoho le karoloana e lakatsehang. Sena se fella ka karolo e le 'ngoe e matla ea' mele e nang le ts'ebetso e lakatsehang. E na le poleiti e le 'ngoe ea kristale quartz (ka lebitso la 0.5mm ka botenya). Esita le liphetoho tse nyenyane tsa bolelele ba maqhubu kapa mocheso li tla fella ka liphetoho tse kholo ho retardance e lakatsehang. Lipoleiti tsa maqhubu a li-multi-order li theko e tlaase 'me li sebelisoa lits'ebetsong tse ngata moo ho eketseha ha maikutlo ho seng bohlokoa. Ke khetho e ntle bakeng sa tšebeliso ea khanya ea monochromatic tikolohong e laoloang ke boemo ba leholimo, hangata li kopantsoe le laser ka laboratoring. Ka lehlakoreng le leng, lits'ebetso tse joalo ka mineralogy li sebelisa phetoho ea chromatic (ho lieha ho bapisoa le phetoho ea wavelength) tse fumanehang lipoleiting tse ngata tsa maqhubu a tatellano.
Multi-Order Half -Wave Plate
Multi-Order Quarter-Wave Plate
Mokhoa o mong oa lipoleiti tse tloaelehileng tsa crystalline quartz wave ke Filimi ea Polymer Retarder. Filimi ena e fumaneha ka boholo bo bongata le ka morao le ka karoloana ea theko ea lipoleiti tsa maqhubu a crystalline. Bahlaseli ba lifilimi ba phahametse ts'ebeliso ea kristale ea quartz-bohlale ho latela maemo a bonolo. Moralo oa bona o mosesaane oa polymeric o lumella ho seha habonolo ha filimi ho sebopeho le boholo bo hlokahalang. Lifilimi tsena li loketse ho sebelisoa lits'ebetsong tse sebelisang li-LCD le fiber optics. Filimi ea Polymer Retarder e boetse e fumaneha ka mefuta ea achromatic. Filimi ena, leha ho le joalo, e na le moeli o tlase oa tšenyo 'me ha ea lokela ho sebelisoa ka mehloli e phahameng ea khanya e kang lasers. Ntle le moo, ts'ebeliso ea eona e lekanyelitsoe ho sebono se bonahalang, kahoo lits'ebetso tsa UV, NIR, kapa IR li tla hloka mokhoa o mong.
Lipoleiti tse ngata tsa maqhubu li bolela hore ho lieha ha tsela e khanyang ho tla ba le palo e itseng ea liphetoho tse felletseng tsa wavelength ho kenyelletsa le ho lieha ha moralo. Botenya ba poleiti ea li-multi order wave e lula e le 0.5mm. Ha ho bapisoa le lipoleiti tsa wave odara ea zero, li-waveplates tse odara tse ngata li na le maikutlo a ho feto-fetoha ha leqhubu le mocheso. Leha ho le joalo, ha li theko e tlase ebile li sebelisoa haholo lits'ebetsong tse ngata moo maikutlo a ntseng a eketseha a seng bohlokoa.
⊙Zero Order Wave lipoleiti
Kaha ho lieha ha bona ka kakaretso ke liperesente tse nyane tsa mofuta oa liodara tse ngata, ho lieha ha lipoleiti tsa maqhubu a li-zero ho lula ho feta mabapi le mocheso le maqhubu a fapaneng. Maemong a hlokang botsitso bo boholo kapa a hlokang maeto a maholo a mocheso, li-waveplates tsa li-zero ke khetho e nepahetseng. Mehlala ea ts'ebeliso e kenyelletsa ho shebella bolelele bo atolositsoeng ba spectral, kapa ho lekanya litekanyo ka sesebelisoa se sebelisoang tšimong.
Zero Order Half-Wave Plate
Zero Order Quarter-Wave Plate
- Leqhubu le entsoeng ka samente ea zero le entsoe ka lipoleiti tse peli tsa quartz tse nang le li-axis tse potlakileng tse tšetsoeng, lipoleiti tse peli li tiisitsoe ke epoxy ea UV. Phapang ea botenya pakeng tsa lipoleiti tse peli e etsa qeto ea ho lieha. Lipoleiti tsa wave odara ea zero li fana ka ts'epo e tlase haholo ho mocheso le phetoho ea leqhubu ho feta lipoleiti tsa maqhubu a odara tse ngata.
- Leqhubu la "Optically Contacted zero order waveplate" le hahiloe ka lipoleiti tse peli tsa quartz tse nang le li-axis tse potlakileng tse tšetsoeng, lipoleiti tse peli li hahiloe ka mokhoa o amanang le optical, tsela ea optical ha e na epoxy mahala.
- Air spaced zero order wave plate e hahiloe ka lipoleiti tse peli tsa quartz tse kentsoeng thabeng tse etsang lekhalo la moea lipakeng tsa lipoleiti tse peli tsa quartz.
- Letlapa la 'nete la quartz la zero le entsoe ka poleiti e le' ngoe ea quartz e tšesaane haholo. Li ka fanoa ka botsona e le poleiti e le 'ngoe bakeng sa lits'ebetso tse phahameng tsa ts'enyo (e kholo ho feta 1 GW / cm2), kapa e le poleiti e tšesaane ea quartz e entsoeng ka samente holim'a substrate ea BK7 ho fana ka matla ho rarolla bothata ba ho senyeha habonolo.
- Leqhubu la Zero Order Dual Wavelength Wave Plate le ka fana ka tšitiso e itseng ho li-wavelengths tse peli (leqhubu la motheo le leqhubu la bobeli la harmonic) ka nako e le 'ngoe. Lipoleiti tsa maqhubu a maqhubu a mabeli li bohlokoa haholo ha li sebelisoa hammoho le likarolo tse ling tse hlokolosi tsa polarization ho arola maballo a laser ea coaxial a bolelele bo fapaneng. Leqhubu la leqhubu la leqhubu la zero le sebelisoa haholo ho li-laser tsa femtosecond.
- Letlapa la telecom wave ke poleiti e le 'ngoe feela ea quartz, ha e bapisoa le poleiti ea 'nete ea zero e kentsoeng. E sebelisoa haholo-holo puisanong ea fiber. Li-waveplates tsa Telecom ke li-waveplates tse tšesaane le tse kopaneng tse etselitsoeng ho fihlela litlhoko tse hlokahalang tsa karolo ea puisano ea fiber. Leqhubu la halofo la leqhubu le ka sebelisoa bakeng sa ho potoloha boemo ba polarization ha "quarter-wave plate" e ka sebelisoa ho fetolela leseli le nang le polarized hore e be boemo bo chitja ba polarization le ka tsela e fapaneng. Halofo ea waveplate e ka ba 91μm botenya, kotara waveplate kamehla ha se 1/4 wave empa 3/4 wave, e ka bang 137µm ka botenya. Li-waveplate tsena tse tšesaane haholo li tiisa mocheso o motle ka ho fetisisa oa bandwidth, angle bandwidth le wavelength bandwidth. Boholo bo bonyenyane ba li-waveplates tsena bo boetse bo etsa hore e be tse loketseng ho fokotsa boholo ba sephutheloana sa moralo oa hau. Re ka fana ka boholo ba tloaelo ho latela kopo ea hau.
- Leqhubu la "Middle Infrared zero order wave" le hahiloe ka lipoleiti tse peli tsa Magnesium Fluoride (MgF2) ka li-axis tsa tsona tse potlakileng tse tšetsoeng, lipoleiti tse peli li hahiloe ka mokhoa o amanang le optical, tsela ea optical ha e na epoxy mahala. Phapang ea botenya pakeng tsa lipoleiti tse peli e etsa qeto ea ho lieha. Lipoleiti tsa wave tsa wave tsa zero tse bohareng li sebelisoa haholo lits'ebetsong tsa infrared, hantle bakeng sa mefuta ea 2.5-6.0 ea micron.
⊙Lipoleiti tsa Achromatic Wave
Lipoleiti tsa maqhubu a Achromatic li tšoana le lipoleiti tsa wave tsa zero ntle le hore lipoleiti tse peli li entsoe ka likristale tse fapaneng tsa birefringent. Ka lebaka la matšeliso a lisebelisoa tse peli, lipoleiti tsa maqhubu a achromatic li lula li le teng ho feta esita le li-wave wave tsa zero. Leqhubu la achromatic wave le tšoana le leqhubu la leqhubu la zero ntle le hore lipoleiti tse peli li entsoe ka likristale tse fapaneng tsa birefringent. Kaha ho hasana ha li-birefringence tsa lisebelisoa tse peli ho fapane, hoa khoneha ho hlalosa litekanyetso tsa ho lieha ho latela leqhubu le pharaletseng la maqhubu. Kahoo ho lieha ho tla ba bonolo haholo ho fetoha oavelength. Haeba boemo bo akaretsa li-wavelengths tse 'maloa tsa spectral kapa sehlopha sohle (ho tloha ho violet ho ea ho khubelu, mohlala), li-waveplates tsa achromatic ke likhetho tse loketseng.
NIR Achromatic Wave Plate
SWIR Achromatic Wave Plate
VIS Achromatic Wave Plate
⊙Lipoleiti tsa Super Achromatic Wave
Lipoleiti tsa Super Achromatic Wave li tšoana le lipoleiti tsa maqhubu a achromatic, ho e-na le hoo li fana ka tšitiso e bataletseng holim'a leqhubu le leholo la maqhubu a marang-rang. Leqhubu le tloaelehileng la achromatic wave le na le poleiti e le 'ngoe ea quartz le poleiti e le' ngoe ea MgF2, e nang le makholo a seng makae feela a nanometer wavelength range. Lipoleiti tsa rona tsa super achromatic wave li entsoe ka lisebelisoa tse tharo, quartz, MgF2 le safire, tse ka fanang ka tšitiso e bataletseng holim'a leqhubu le pharalletseng la wavelength.
⊙Fresnel Rhomb Retarders
Li-retarders tsa Fresnel Rhomb li sebelisa ponahalo ea ka hare ho li-angles tse itseng ka har'a sebopeho sa prism ho fana ka tšitiso ea ketsahalo ea polarized light. Joalo ka lipoleiti tsa Achromatic Wave, li ka fana ka tšitiso e ts'oanang ho feta mefuta e mengata ea maqhubu. Kaha ho lieha ha Fresnel Rhomb Retarders ho itšetlehile feela ka index ea refractive le geometry ea thepa, leqhubu la maqhubu le pharaletseng ho feta Achromatic Waveplate e entsoeng ka kristale ea birefringent. A Single Fresnel Rhomb Retarders e hlahisa ho fokotseha ha karolo ea λ/4, lebone la tlhahiso le tšoana le leseli le kenang, empa le falla ka thōko; A Double Fresnel Rhomb Retarders e hlahisa ho fokotseha ha karolo ea λ/2, e na le li-Single Fresnel Rhomb Retarders tse peli. Re fana ka li-BK7 Fresnel Rhomb Retarders tse tloaelehileng, lisebelisoa tse ling tse kang ZnSe le CaF2 li fumaneha ha u kopa. Li-retarders tsena li ntlafalitsoe hore li sebelisoe ka diode le lisebelisoa tsa fiber. Hobane Fresnel Rhomb Retarders e sebetsa ho ipapisitsoe le pono e felletseng ea kahare, e ka sebelisoa bakeng sa ts'ebeliso ea Broadband kapa achromatic.
Fresnel Rhomb Retarders
⊙Crystalline Quartz Polarization Rotators
Crystalline Quartz Polarization Rotators ke kristale e le 'ngoe ea quartz e potolohang polarization ea leseli la ketsahalo e sa tsamaellaneng pakeng tsa rotator le polarization ea leseli. Ka lebaka la ts'ebetso ea ho potoloha ha kristale ea quartz ea tlhaho, e ka boela ea sebelisoa e le li-rotator tsa polarization e le hore sefofane sa ho kenya lesela le nang le polarized se tla potoloha ka lehlakoreng le khethehileng le khethiloeng ke botenya ba kristale ea quartz. Li-rotator tse ka letsohong le letšehali le tse ka ho le letona li ka fanoa ke rona hona joale. Hobane li potoloha sefofane sa polarization ka lehlakoreng le itseng, Crystalline Quartz Polarization Rotators ke mokhoa o mong o motle ho feta lipoleiti tsa maqhubu 'me li ka sebelisoa ho potoloha polarization eohle ea leseli ho latela axis ea optical, eseng feela karolo e le 'ngoe ea leseli. Tataiso ea ho phatlalatsoa ha leseli la ketsahalo e tlameha ho ba perpendicular ho rotator.
Paralight Optics e fana ka Achromatic Wave Plates, Super Achromatic Wave Plates, Cemented Zero Wave Plates, Optically Contact Zero Order Wave Plates, Air-Spaced Zero Wave Plates, True Zero Order Wave Plates, Single Plate High Power Wave Plates, Multi Order Wave Plates. , Lipoleiti tse peli tsa Wavelength Wave Plates, Zero Order Dual Wavelength Wave Plates, Telecom Wave Plates, Middle IR Zero Order Wave Plates, Fresnel Rhomb Retarders, Ring Holders for Wave Plates, le Quartz Polarization Rotators.
Lipoleiti tsa Wave
Bakeng sa tlhaiso-leseling e batsi mabapi le polarization optics kapa fumana quote, ka kopo ikopanye le rona.
