Thorlabs reflective fiber collimator e theiloe holim'a seipone sa 90 ° off-axis paraboloid (OAP) se nang le bolelele bo sa khaotseng ba maqhubu holim'a mefuta e mengata ea maqhubu 'me e loketse ho sebelisoa lits'ebetsong tse hlokang ho kopana ha maqhubu a mangata.
The reflective collimator e fumaneha ka meralo e meraro ea matlo, e 'ngoe le e 'ngoe e tsamaellana le li-fiber jumpers tse nang le lihokelo tsa FC/PC, FC/APC, kapa SMA.
Lintlha tsa motheo tsa OAP Reflector
OAP(Off-Axis Parabolic) Reflector ke karolo ea papiso ea motsoali oa eona.
Off-axis e bolela hore lilepe tsa optical tsa tse peli li bapile empa ha li iketsahalle feela.
Axis ea ho tsepamisa maikutlo e feta bohareng ba sepheo le OAP Reflector,'me sebaka se pakeng tsa lintlha tsena tse peli se bitsoa bolelele bo bonts'itsoeng(RFL).
Angle pakeng tsa axis e tsepamisitseng maikutlo le axis ea optical ke Angle ea off-axis,e leng likhato tse 90 mona.
Collimator e tsitsitseng
Fixed fiber collimator e fana ka lifilimi tse peli tsa tšepe tse bonts'ang holimo haholo: -F01 UV-e ntlafalitsoeng filimi ea aluminium le -P01 filimi ea silevera e nang le lera le sireletsang, tsekgothaletswa bakeng sa ho kopana ha fiber ea mofuta o le mong le multimode lelisebelisoa tsa multimode fiber coupling.
Ho ea ka collimated beam bophara (bakeng sa 0,13 NA faeba), ba ka bae arotsoe ka lihlopha tse 'nè tse latelang:
Litšoantšo tse 'nè tse ka holimo ke RC02FC-P01, RC04FC-P01, RC08APC-P01 leRC12SMA-P01 ka ho latellana.
Ka hona, ho latela mohlala oa sehlahisoa, re ka tseba li-parameter tse ka sehloohongea collimator e 'ngoe le e' ngoe e bonahatsang, ho kenyeletsoa bophara ba sepakapaka, fibersehokedi le ho roala.
Li-collimator tsa RC02, RC04, le RC08 li tsamaisana le SM05- ea ka hare.lithaelese tse lohiloeng, ha collimator ea RC12 e lumellana le SM1- ea kahare.likhoele tse khoele.
Ntle le moo, collimator ea RC02 e ka kenngoa ka kotloloho ho Ø1/2"kinematic mount, ha RC02, RC04, le RC08 li ka behoa ka ho tobaho kena thabeng ea "kinematic" ea Ø1 (kamora ho bula selikalikoe se koetsoeng mahalakou ea sebaka);
Ho hloella ka thaba ea kinematic ho thusa ho tsamaisana ha mabala ha fiber e kopanyae a hlokahala.
Collimator e nyane
Collimator e nyane e fihlela moralo o mosesaane ka ho ba le sets'oants'o honqa e fapaneng ho ya pele. E ka aroloa ka lihlopha tse peli ho latelabolelele ba tsepamiso: RCR25x-P01 le RCR50x-P01, e nang le bolelele ba tsepamisoea 25.4 le 50.8 mm ka ho latellana; x palo ea mohlala ke fibermofuta oa sehokelo, o ka nkeloang sebaka ke P, A le S ho emela FC/PC,Lihokelo tsa FC/APC le SMA ka ho latellana.
Li-collimator tse nyane li ka kenngoa ka kotloloho ka har'a Ø1/2" lens tube mounts, joalojoalo ka selikalikoe sa SM05RC(/M) se thellang le seqhoqho sa SM05TC.
Haeba ho hlokahala tokiso ea sekontiri se phahameng, li ka kenngoa ka "Ø1" kinematicho sebelisa adaptara ea SM1A60.
Collimator e nyane e ka boela ea kopanngoa ka ho toba ka cage ea 16 mmtsamaiso e sebelisang poleiti ea cage ea SP3 kapa cube ea cage ea SC6W, kapa ka har'a 30 mmtsamaiso ea cage e sebelisang adaptara ea SM1A60 le cube ea C4W ea cage.
Collimator e fetolehang
Li-collimator tse feto-fetohang li ka fetola sebaka ho tloha ho fiber ho ea seiponeng sa OAP ho ntlafatsa ho kopana ha fiber e 'ngoe le e 'ngoe kapa ho kopanya khanya hore e be singlemode kapa multimode fibers.
Ha mola o ngotsoeng o tsamaisana le letšoao la ∞, sebaka se tsoang ho fiberho ea ho OAP reflector e lekana le RFL, le liphello tsa collimator aBeam (ka holimo).
Ha mola o ngotsoeng o kheloha letšoao la ∞, collimator e hlahisa adivergent kapa convergent beam, le sebaka se seholo ho tloha ho tsepamiso ya sona ho yabohare ba seipone ke -2.2 m le 0.15 m, ka ho latellana, joalo ka ha ho bontšitsoe hoho latela lipalo tse peli.
Ha karolelano ea conjugate e lekana le infinity, liipone tsa OAP li ka finyellasets'oants'o sa diffraction-limited.
Joalokaha ho bontšitsoe setšoantšong se ka tlase, li-collimator tse peli tse feto-fetohang le tsona li tenge loketseng haholo bakeng sa ho kopanya sebaka se selelele, e le hore sebaka se mahareng sa mahalaBeam e ka tsamaisoa ka likarolo tse ling tsa optical, tse bohlokoa haholo ho tsonalikopo tsa puisano tsa sebaka se selelele.
Collimator e feto-fetohang ea RCF15x-P01 e ka kenngoa seliping sa SM1RC(/M)selikalikoe kapa sekontiri sa letsoho sa SM1TC se sebelisa karolo e ntšo.
Bakeng sa phetoho ea sekontiri / eaw, ho khothalletsoa ho sebelisa thaba ea Polaris, joalo kathaba ea kinematic ea POLARIS-K2 kapa POLARIS-K2VS2L Ø2" e sebelisa AD2Tadaptara; thaba ea kinematic ea POLARIS-K2T SM2 e nang le likhoele e sebelisang SM2A21adaptara; kapa thaba ea kinematic ea POLARIS-K15XY 5-axis e sebelisang SM1L03lense tube le SM1A68 adaptara.
Qetello ea sebaka sa mahala ea matlo a collimator a feto-fetohang a khoele kaSM05 ea ka hare le likhoele tsa kantle tsa SM1.
Mehlala ea ho kenya collimatorli bontšitsoe litšoantšong tse peli tse latelang.
Single Mode Fiber Collimation
Ha likhoele tsa mofuta o le mong li kopana, li-collimator tsena tse bonahatsang li hlahisa ka bophara-letheka, maballo a karohano e tlase.
Phapang e felletseng ea leballo le kopaneng (ka likhato) e ka hakanyetsoaka fiber mode field diameter (MFD) le reflection focal length (RFL):
Bophara ba 1/e² ba sepakapaka se kopantsoeng ke hoo e ka bang:
Mohlala, ho sebelisa kololi e nyane ea RCR25A-P01 ho kopanya P3-630A-FC-1 fiber ea mofuta o le mong, ka bolelele ba λ = 633 nm, MFD ke 4.3µm.
Li-equation tse peli tse kaholimo li bonts'a hore sekhahla sa phapang ke likhato tse 0.01, 'me bophara ba sefate ke 4.8 mm.
Multimode Fiber Collimation
Kakaretso ea ho fapoha angle ea balm e kopantsoeng ke hoo e ka bang:
Bophara ba beam e kopantsoeng ke hoo e ka bang:
Tlhahiso ea fiber ea multimode hangata ha e kopane hantle.
Ho ea ka foromo e kaholimo, bophara ba borokho bo angoa haholo ke NAsebakeng se haufi le sets'oants'o sa OAP, empa ha lebone le ntse le ata, hotšusumetso ea bophara ba konokono e ba le ho feta ho hlaka.
Bakeng sa collimator e tsitsitseng e boletsoeng ka holimo, bophara ba collimated beam kee baloang ke 2NA*RFL, e kholo ho feta 1/e² beam bophara.
Ha u khetha collimator e tsitsitseng, bolelele bo ka tšeptjoang bo ka fetisoa ho tloha hoho hlokahala bophara ba beam ho fumana mohlala o nepahetseng.
Ho na le meeli e 'meli ea bohlokoa ea ho kopanya likhoele tsa multimode.
Taba ea pele, likhoele tse ngata tsa multimode li na le phallo e fapaneng haholo e ka bang tenge koetsoe ke matlo pele e fihla ho ponts'o ea OAP, kahoo fiber NAe ke ke ea feta boleng bo itseng; sheba tafole e fetileng bakeng sa lintlha.
Ea bobeli, ho fapana ha sefate sa collimated ho amana le mantlhabophara; ha bophara ba mantlha bo ntse bo eketseha, boholo ba NA bo tšehetsoa kecollimator ea fokotseha.
Haeba collimated beam bophara feta aperture hlakileng, tlhahisoBeam e tla thijoa ke matlo.
Maemo ana ka bobeli a ka lebisa ho fokotseng boleng ba marang-rang.
Ho feta moo, li-reflector tsa OAP li ka kopanya mehloli ea lintlha ka mokhoa o phethahetsengntlha ya tsepamiso.
Ho kheloha ho hoholo ha mohloli oa ntlha ho tloha ho axis ea optical, kapa thee kholoanyane bophara ba mantlha ba multimode, ho khopamisa ho hoholo ha collimatedleballo; ho eketsa bolelele ba pono kapa bolelele ba maqhubu ho ka fokotsaphetolo.
Nako ea poso: Nov-05-2024
