Lilense tsa Aspheric, tse tsejoang hape e le aspheres, li hlahile e le sebapali sa bohlokoa ho optics, li fetola tsela eo re bonang le ho hapa lefatše ka eona. Ho fapana le lilense tsa setso tse chitja, li-aspheres li hlahisa boemo bo bocha ba ho nepahala le ho hlaka moralong oa optical.
1. Li-Aspheres ke eng?
Li-aspheric li fapana le sebopeho se lekanang sa circle. Ho fapana le lilense tse chitja, tse nang le kobeho e tšoanang, li-aspheric li na le li-curve tse fapaneng holim'a bokaholimo ba tsona.
Aspherics e sebelisa mesebetsi e tsoetseng pele ea lipalo ho fihlela libopeho tsa eona tse ikhethang. Ka ho bala ka hloko kobeho libakeng tse fapaneng, baenjiniere ba optical ba ka ntlafatsa lense bakeng sa lits'ebetso tse itseng, ba fokotsa ho sotha le ho ntlafatsa boleng ba setšoantšo ka kakaretso.
2. Melemo ea ho Sebelisa Aspheres
Melemo ea ho kenyelletsa lilense tsa aspheric lits'ebetsong tsa mahlo e mengata. Ntlha ea pele, aspheric e lumella tokiso e sebetsang haholoanyane ea li-aberration tsa mahlo, e fokotsa li-aberration tse chitja, le ho netefatsa hore li hlakile ebile li nepahetse haholoanyane.litšoantšo, ka hona ho ntlafatsa tshebetso.
Li-aspheric li boetse li kenya letsoho ho fokotseng boholo le boima ba litsamaiso tsa mahlo, e leng se etsang hore li be bohlokoa haholo lisebelisoa tse nyane tse kang lik'hamera le li-smartphone. Ho feta moo, lilense tsena li ntlafatsa bokhoni ba ho bokella leseli, e leng se lebisang litšoantšong tse khanyang le tse hlakileng haholoanyane.
Li-aspheric li boetse li kenya matla a tsona a maholo ka har'a liphutheloana tse nyane, li fokotsa boholo ba litsamaiso tsa laser le lisebelisoa tsa ho nka litšoantšo. Nahana ka li-scanner tsa laser tse tšoaroang ka letsoho tse etsang 'mapa oa mehaho eohle ka ho nepahala ho totobetseng, kapa tse nyenyane.li-endoscopeho tsamaea libakeng tse patisaneng ka hare ho 'mele oa motho, tsohle li khoneha ka lebaka la mohlolo o kopaneng oa li-asphere. Saense e ka morao ho li-asphere e bula monyako oa menyetla e mengata masimong a fapaneng ho tloha ho lifoto, bolepi ba linaleli lelits'ebetso tsa laserholitšoantšo tsa bongaka.
3. Likopo tsa Aspheres ho pholletsa le Liindasteri
3.1 Litšoantšo tsa Bongaka
Lilense tsa Aspheric li fumana lits'ebetso liindastering tse fapaneng, li bontša ho tenyetseha ha tsona. Bongaka, li bapala karolo ea bohlokoa ho li-endoscope lelisebelisoa tsa litšoantšo tsa bongaka, ho fa lingaka litšoantšo tse hlakileng haholoanyane bakeng sa tlhahlobo.
3.2 Litheleskoupo
Litsebi tsa linaleli li rua molemo ho nepahaleng ha li-asphere ka har'a libonela-hōle, e leng se lumellang ho shebella ka botlalo. Ho feta moo, lilense li bohlokoa ntlafatsong ea lik'hamera tse sebetsang hantle, li netefatsa hore litsebi tsa ho nka lifoto li nka linako ka ho hlaka ho sa bapisoeng le letho.
3.3 Litšebeliso tsa Laser
Li-asphere li ka tsepamisa mahlaseli a laser meleng e nepahetseng haholo, e mesesaane haholo, e phethahetseng bakeng saho itšeha ka lasermeralo e rarahaneng kapaho tjheseletsaAk'u nahane ka liroboto tsa opereishene tse sebelisang laser e tataisoang ke aspheric bakeng sa lits'ebetso tse bonolo, tse sa keneleng metsi haholo, kapaliprinta tsa lasermesebetsi e metle e betliloeng ka lintlha tse makatsang.
Bophara ba mamello: ± 0.01mm
Mamello ea Botenya: ± 0.01mm
Mamello ea Bolelele ba Focal: ± 1%
Bohareng: < 1 arc min
Lesoba le Hlakileng: >90%
PV e sa tloaelehang: <0.15µm
Boleng ba Bokaholimo: 40/20 60/40
Sekoahelo sa AR: R<0.2% ka bokaholimo @ 1030-1090nm
Lisebelisoa: Fused Silica, Suprasil 313, Corning 7980, Si, Ge, ZnS, ZnSe, Chalcogenides
Ho koahela: Ho ea ka tlhoko
Litlhaloso 1: Lense ea Aspheric ea Laser ea Opto-Electronic ea Wavelength
| Nomoro ea Karolo | Bolelele ba maqhubu (nm) | EFL (mm) | Bophara (mm) | Thepa | ET (mm) | CT (mm) | BFL (mm) |
|---|---|---|---|---|---|---|---|
| LFAS-35-40-ET5.43 *E NCHA* | 1075 | 40.0 | 35.0 | Silika e kopantsoeng | 5.43 | 13.6 | 30.6 |
| LFAS-35-50-ET3.82 *E NCHA* | 1075 | 50.0 | 35.0 | Silika e kopantsoeng | 3.82 | 10.2 | 42.2 |
| LFAS-1.5-100-ET4 | 1064 | 100.0 | 38.1 | Khalase | 4.00 | – | 95.2 |
| LFAS-1.5-125-ET4 | 1064 | 125.0 | 38.1 | Khalase | 4.00 | – | 120.7 |
| LFAS-1.5-150-ET4 | 1064 | 150.0 | 38.1 | Khalase | 4.00 | – | 146.0 |
| LFAS-1.5-200-ET4 | 1064 | 200.0 | 38.1 | Khalase | 4.00 | – | 196.4 |
| LSIA-25-12.5 | Ha e koahetsoe | 12.5 | 25.0 | Silicone | – | – | – |
| LSIA-25-25 | Ha e koahetsoe | 25.0 | 25.0 | Silicone | – | – | – |
| LSIA-25-50 | Ha e koahetsoe | 50.0 | 25.0 | Silicone | – | – | – |
| LGEA-25-12.5 | Ha e koahetsoe | 12.5 | 25.0 | Germanium | – | – | – |
Tafole ea 1: Lilense tsa Laser Aspheric tsa Opto-Electronic tsa Wavelength
Litlhahiso tsa Wavelength Opto-Electroniclilense tse bōpiloeng tsa khalase tse kang asphericka bolelele bo fapaneng ba focal. Lilense tsena tse sa feleng tsa aspheric tse kopaneng li ka sebelisoa ho kopanya diode ea laser kapa mohloli o mong oa ntlha. Jwalo ka laser diode collimator, li-asphere tsena tse bōpiloeng li etselitsoe ho hlahisa lehlaseli la collimated single-mode le nang le phoso e tlase ea leqhubu.
| Karolo ea Karolo. | EFL (mm) | NA | OD (mm) | WD (mm) | Moralo oa WL (nm) | Thepa | Sekoahelo sa AR *(-A,- B, -C) |
|---|---|---|---|---|---|---|---|
| LMAS-3.0-2.0 | 2.00 | 0.50 | 3.00 | 1.09 | 780 | D-ZK3 | A, B, C |
| LMAS-4.5-2.75 | 2.75 | 0.64 | 4.50 | 1.50 | 830 | D-ZLAF52LA | A, B, C |
| LMAS-6.32-4.02 | 4.02 | 0.60 | 6.33 | 2.41 | 408 | D-LAK6 | A, B, C |
| LMAS-6.35-6.43 | 6.43 | 0.43 | 6.35 | 4.70 | 830 | D-ZK2N | A, B, C |
| LMAS-9.94-8.0 | 8.00 | 0.50 | 9.94 | 5.90 | 780 | D-ZK3 | A, B, C |
| LMAS-8.0-11.18 | 11.18 | 0.31 | 8.00 | 9.69 | 635 | D-ZK2N | A, B, C |
| LMAS-6.32-13.85 | 13.85 | 0.18 | 6.33 | 12.10 | 650 | D-ZK3 | A, B, C |
| LMAS-8.0-22.58 | 22.58 | 0.15 | 8.00 | 21.25 | 532 | D-ZK2N | A, B, C |
Tafole ea 2: Li-asphere tsa Khalase tse Bōpiloeng ka Opto-Electronic tse Bopiloeng ka Maqhubu
Li-asphere tsa rona tse entsoeng ka nepo li kopitsoa ho tloha hlobo ea bophelo bo bolelele bakeng sa ts'ebetso e tsitsitseng haholo. Ts'ebetso ea ho bopa asphere ea khalase e ikatisang e ipabola hantle ho etseng lilense tse sebetsang hantle le tse theko e tlase haholo.
Lense e 'ngoe le e 'ngoe ea asphere e bōpiloeng e koahetsoe ka AR ho fokotsa khanya ho ea mohloling oa leseli le ho eketsa katleho ea phetisetso. Liaparo tsa AR tse nang le mekhahlelo e mengata lia fumaneha tse akaretsang mekhahlelo e meraro ea maqhubu: "A" (400-700nm), "B" (650-1100nm), le "C" (1050-1700nm).
- E kopanya kapa e tsepamisa leseli la laser
- E loketse diode ea laser le li-module tsa fiber
- High-NA ho hapa axis e felletseng ea LD e potlakileng
- Mefuta e fapaneng ea bolelele ba focal e fanoa
3.4 Lisebelisoa tsa Elektroniki tsa Bareki
Li-asphereli boetse li sebelisoa holisebelisoa tsa elektroniki tsa barekijoalo kalik'hamera tsa mohalaleLiDAR bakeng sa likoloi tse ikemetsengOpto-Electronic ea Wavelength e etsa li-asphere tse bōpiloeng ka khalase kapa thepa ea polasetiki.
| Litlhaloso | Ho nepahala | Ho nepahala ho hoholo |
| Bophara | 1-25mm | 1-20mm |
| Mamello ea Dia | ± 0.015mm | ± 0.005mm |
| Mamello ea Botenya | ± 0.03mm | ± 0.005mm |
| Ho se Tloaelehe (PV) | 1µm | 0.6µm |
| Ho se Tloaelehe (RMS) | 0.3µm | 0.08-0.15µm |
| Phoso ea ho Beha Bohareng | 1' | |
| Boleng ba Bokaholimo | 40-20 | 20-10 |
| Ho koahela | E ka fetoloa | E ka fetoloa |
4. Na u batla mofani oa Aspheres ea tšepahalang?
Leha lilense tsa aspheric li fana ka melemo e ikhethang, moralo le tlhahiso ea tsona li hlahisa liphephetso tse ikhethang.mekhoa ea tlhahiso e nepahetsenge hlokahalang ho fihlella dibopeho tse rarahaneng tse batlwang ke meralo ya aspheric. Dibaka tsa rona tsa sejoale-joale ho kenyeletswa le ho sebetsa ka mechine ya CNC le ho fetola taemane, di nolofaditse tlhahiso ya aspheres tsa boleng bo hodimo, di kganna boqapi indastering ya mabone.
| Mamello | E tloaelehileng | Ho nepahala | Ho nepahala ho Hoholo |
| Lisebelisoa | Khalase: BK7, Silica e kopantsoeng, Fluoride | ||
| Kristale: ZnSe, ZnS, Ge, GaAs, CaF2, BaF2, MgF2, Si, Chalcogenide | |||
| Tšepe: Cu, Al | |||
| Polasetiki: PMMA, Acrylic | |||
| Bophara ba bophara | Bonyane: 10mm, Bongata: 200 mm | ||
| Mamello ea bophara | ± 0.1mm | ± 0.025mm | ± 0.01mm |
| Mamello ea Botenya ba Setsi | ± 0.1mm | ± 0.05mm | ± 0.01mm |
| Mamello ea Sag | ± 0.05mm | ± 0.025mm | ± 0.01mm |
| Max Sag e ka Lekanngoa | 25 mm Max | 25 mm Max | 25 mm Max |
| Ho se Tloaelehe ha Sepakapaka (PV) | 3µm | 1µm | <0.06µm |
| Mamello ea Radius | ± 0.3% | ± 0.1% | 0.01% |
| Ho beha bohareng | 3arcmin | 1 arcmin | 0.5 arcmin |
| Bokaholimo ba RMS bo Maqakabetsing | 20 A° | 5 A° | 2.5 A° |
| Boleng ba Bokaholimo | 80-50 | 40-20 | 10-5 |
Nako ea poso: Mphalane-18-2024