Kodi Optical modulator ndi chiyani?
Chowongolera kuwalanthawi zambiri amagwiritsidwa ntchito kusintha mawonekedwe a kuwala, monga kuwala kwa laser. Chipangizochi chimatha kusintha mawonekedwe a kuwala, monga mphamvu ya kuwala kapena gawo. Modulator malinga ndi mtundu wa kuwala kosinthidwa imatchedwamodulator ya mphamvu, modulator ya gawo, polarization modulator, spatial Optical modulator, ndi zina zotero. Mitundu yosiyanasiyana ya ma modulator ingagwiritsidwe ntchito m'njira zosiyanasiyana, monga kulumikizana kwa fiber optic, zida zowonetsera, ma laser a Q-switched kapena mode-locked, ndi muyeso wa optical.
Mtundu wa modulator ya kuwala
Pali mitundu yosiyanasiyana ya ma modulator:
1. Acousto-optic modulator ndi modulator yozikidwa pa acousto-optic effect. Amagwiritsidwa ntchito kusintha kapena kusintha nthawi zonse kutalika kwa kuwala kwa laser, kusintha ma frequency a kuwala, kapena kusintha komwe kuli malo.
2. Themodulator yamagetsiimagwiritsa ntchito mphamvu ya electro-optic mu bokosi la Kerrs la thovu. Amatha kusintha momwe polarization imakhalira, gawo, kapena mphamvu ya beam, kapena kugwiritsidwa ntchito pochotsa ma pulse monga tafotokozera mu gawo la ma ultrashort pulse amplifiers.
3. Modulator yamagetsi yoyamwa ndi modulator yamphamvu yomwe imagwiritsidwa ntchito pa chotumizira deta mu kulumikizana kwa ulusi wa kuwala.
(4) Ma modulators osokoneza, monga Mach-Zehnder modulators, nthawi zambiri amagwiritsidwa ntchito m'mabwalo ophatikizika a photonic potumiza deta ya optical.
5. Ma modulators a fiber optic amatha kutengera mfundo zosiyanasiyana. Akhoza kukhala chipangizo chenicheni cha fiber optic, kapena akhoza kukhala gawo la thupi lomwe lili ndi michira ya nkhumba ya fiber.
6. Modulator yamadzimadzi ya crystal ndi yoyenera kugwiritsidwa ntchito pazida zowonetsera kuwala kapena pulse shaper. Itha kugwiritsidwanso ntchito ngati zowongolera kuwala kwa malo, zomwe zikutanthauza kuti ma transmission amasiyana malinga ndi malo, omwe angagwiritsidwe ntchito pazida zowonetsera.
7. Disiki yosinthira imatha kusintha mphamvu ya beam nthawi ndi nthawi, yomwe imagwiritsidwa ntchito muyeso wina wapadera wa kuwala (monga kugwiritsa ntchito ma amplifiers otsekera).
8. Ma modulators a micromechanical (ma micromechanical systems, MEMS) monga ma valves a light based silicon ndi ma two-dimensional mirror arrays ndi ofunikira kwambiri pakuwonetsa ma projection.
9. Ma modulators amagetsi ambiri, monga ma modulators amagetsi, amatha kugwiritsa ntchito malo akuluakulu owunikira ndipo angagwiritsidwenso ntchito pazinthu zamphamvu kwambiri. Ma modulators olumikizidwa ndi ulusi, omwe nthawi zambiri amakhala ma waveguide modulators okhala ndi michira ya nkhumba ya ulusi, ndi osavuta kuwaphatikiza mu makina amagetsi amagetsi.
Kugwiritsa ntchito modulator ya Optical
Ma modulators a Optical ali ndi ntchito zosiyanasiyana m'magawo ambiri. Izi ndi madera akuluakulu ogwiritsira ntchito ma modulators a Optical ndi ntchito zawo zapadera:
1. Kulankhulana kwa Mawonekedwe: Mu machitidwe olumikizirana a kuwala, ma modulators a kuwala amagwiritsidwa ntchito kusintha kutalika, ma frequency ndi gawo la ma signal a kuwala kuti atumize chidziwitso. Amagwiritsidwa ntchito kwambiri m'njira zazikulu monga kusintha kwa photoelectric, kusintha kwa ma signal a kuwala ndi demodulation . Ma electro-optic modulators ndi ofunikira kwambiri mu machitidwe olumikizirana a kuwala othamanga kwambiri, omwe amagwiritsidwa ntchito kusintha ma signal amagetsi kukhala ma signal a kuwala ndikuzindikira kuyika ndi kutumiza deta. Mwa kusintha mphamvu kapena gawo la ma signal a kuwala, ntchito za kusintha kwa kuwala, kuwongolera liwiro la modulation ndi kusintha kwa ma signal zitha kuchitika
2. Kuzindikira kwa kuwala: Chowongolera kuwala chimatha kuzindikira muyeso ndi kuyang'anira chilengedwe mwa kusintha mawonekedwe a chizindikiro cha kuwala. Mwachitsanzo, mwa kusintha gawo kapena kutalika kwa kuwala, ma gyroscope a fiber optic, masensa opanikizika a fiber optic, ndi zina zotero zimatha kuchitika.
3. Kusunga ndi kukonza kwa Optical: Ma modulators a Optical amagwiritsidwa ntchito posungira ndi kukonza ma optical. Mu optical memory, ma optical modulators angagwiritsidwe ntchito kulemba ndi kuwerenga zambiri mkati ndi kunja kwa optical media. Mu optical processing, optical modulator ingagwiritsidwe ntchito popanga, kusefa, kusintha ndi kugawa ma optical signals
4. Kujambula kwa kuwala: ma modulators a kuwala angagwiritsidwe ntchito kusintha gawo ndi kukula kwa kuwala, motero kusintha makhalidwe a chithunzicho mu kujambula kwa kuwala. Mwachitsanzo, modulator ya kuwala imatha kugwiritsa ntchito kusintha kwa magawo awiri kuti isinthe kutalika kwa focal ndi kuya kwa kuwala kwa kuwala
5. Kuwongolera phokoso la kuwala: Chowongolera kuwala chimatha kuwongolera mphamvu ndi kuchuluka kwa kuwala, motero kuchepetsa kapena kuletsa phokoso la kuwala mu dongosolo la kuwala. Chingagwiritsidwe ntchito mu ma amplifiers optical, ma lasers ndi makina otumizira fiber optic kuti chiwongolere chiŵerengero cha chizindikiro-ku-phokoso ndi magwiridwe antchito a dongosololi
6. Ntchito zina: ma modulators a electro-optical amagwiritsidwanso ntchito pofufuza ma spectral, ma radar system, matenda azachipatala ndi zina. Mu spectroscopy, electro-optical modulator ingagwiritsidwe ntchito ngati gawo la optical spectrum analyzer pofufuza ndi kuyeza ma spectral. Mu radar system, electro-optic modulator imagwiritsidwa ntchito posintha ma signal ndi demodulation. Mu diagnostic zachipatala, ma electro-optic modulator amagwiritsidwa ntchito pojambula ndi kuchiza ma optical.
Nthawi yotumizira: Disembala-23-2024