Ndeupi Musiyano Pakati pe LED neLaser?

Mwaranzi yechiedza ndiyo nzira inofamba simba maererano nenzvimbo yakati. Mwenje kazhinji inofamba mumitsetse yakatwasuka uye inogara ichifambirana. Lasers uye LEDs zvikamu zviviri zvakakosha zvechiedza. 

Iyo laser inoratidza resonant mhedzisiro uye inoratidza inobatana magetsi emagetsi munzira imwechete. Nekudaro, ma lasers anobatsira mune optical disc drives, DNA sequencing, uye zvimwe zvakawanda. 

MaLaser anofamba kubva pakakwirira-energy orbits kuenda kune yakaderera mushure mekumutswa nemaerekitironi ane simba guru. Inoshanda zvine mukurumbira semwenje mwenje uye inoratidza akati wandei mabhenefiti, sekudzivirira kurasikirwa neropa kubva mutsinga dzeropa.

LED ndeye semiconductor appliance kana yakachajwa nemagetsi ikozvino, inoburitsa chiedza. Izvi zvinonyanya kushanda pakupa mwenje inooneka ine mirefu yakareba uye yakasimba. Izvi zvigadziriso zvemwenje zvinoshanda pakuiswa munzvimbo dzemukati nekunze. 

Chiedza che LED Chinotsanangurwa

Vanobudisa simba rephoton mushure mokunge maerekitironi asangana nemakomba erekitironi. Mwenje ye LED inoshanda zvakanyanya mukuburitsa simba kupfuura mwenje we incandescent uye mamwe marambi efluorescent. 

Kubudirira kwemarambi e LED ekutengeserana ndeye 200 lumen per watt (Lm/W). Saka, hupenyu hwayo hwakareba kwazvo kupfuura magirobhu efluorescent. Seketi yemagetsi inodiwa pakuyerera kwazvino uye inoshanda zvakanyanya ne LED chips. Ma LED anogona kudziya nekukurumidza uye haaderedze hupenyu hwavo. Zvisinei, chiedza chekubuda kwe LED chinodzikira nekufamba kwenguva. 

Iyo microchip ndiyo chinhu chikuru che LEDs iyo inotanga kuonekwa kwechiedza. Electroluminescence ndiyo musimboti unoshanda ma LED. Zvakangodaro, yazvino inotakura machaji anosanganisa pamharadzano poindi uye anoburitsa mafotoni. Iyo LED Chip uye Mutyairi ndizvo zvikamu zvikuru zvemwenje we LED.

Kuti uwane mamwe mashoko, unogona kuverenga Zvakanakira uye Zvakaipa zve LED Mwenje.

Laser Chiedza Inotsanangurwa

Laser mwenje ndiyo nhete Bhora yechiedza chinobudiswa kubva kune laser. Ndechimwe chezvigadziriso zvemwenje zvinonyanya kushanda uye zvinobatsira mune tekinoroji. Izwi ripfupi rekuti 'Laser' rinomirira Chiedza Amplification neStimulated Emission of Radiation. Iyo laser ndeye monochromatic, uye matanda anofanana uye haamire zvakatanhamara kwechinhambwe chakareba.  

Iyo laser ine girazi rakatsetseka uye rakakomberedzwa. Iwo macurvature anotungamira danda rakatetepa kuti riwane radius yakakwana uye inotenderera mukutenderera kwedenderedzwa pasina kukanganisa hupamhi hweradius nekutenderera kwega kwega. Kurasikirwa kwesimba mukutenderera kweresonator kunokanganisa simba rayo rekuona.

Laser matanda anoshanda mukuona nzvimbo chaiyo yekuwana irradiance. Nekudaro, haina kutsauka kune yakakura nzvimbo. Nokudaro kuwanda kwemwaranzi kwakaderera. Iyo polarized wave ye laser inowanikwa pane imwe frequency, ichiratidza matanda 'longitudinal coherence.

LED vs. Laser- Key Misiyano

• Mwenje ye LED ine mwaranzi yechiedza inoparadzira, izvo zvinoreva kuti mwaranzi yechiedza inopararira sezvainofamba ichienda kure kubva panobva chiedza. Laser ane danda rakatwasuka rinofamba mumutsara wakatwasuka. Laser haaparadzire. Ma LED anogadzira bhendi rakafara rewavelengths, nepo lasers ine imwe-bhendi wavelength. 
• Mwaranzi ye LED inofamba zvishoma kudarika laser rays. Izvi zvinoreva kuti ma LED anopindura zvishoma pane lasers.
• Mwaranzi ye LED yakachengeteka kune ziso rakashama. Pane zvinopesana, lasers inogona kusiya kukanganisa zvachose kune ziso rakashama. Vanhu vanofanirwa kushongedzerwa neakakosha ekudzivirira giya kana vachishanda nemalaser.
• Kusimba kwechiedza che LED kwakaderera pane lasers. Izvi zvinoita kuti vanhu vakwanise kutarisa girobhu re LED nemaziso avo asina kupfeka kwemasekonzi mashoma pasina kukuvadza maziso zvachose. Kunyangwe kwemasekonzi matatu kana anopfuura, kutarisa kune laser sosi kunogona kukuvadza zvachose maziso.
• Iko kutendeuka kunyatsoshanda kwe LED kwakaderera zvikuru kana ichienzaniswa ne lasers. MaLaser anogona kushandura magetsi kuti avheneke kusvika ku70%, nepo maLED anogona kungoshandura kusvika ku10% kana kuti 20%.
• Nekuda kwemitengo yakaderera yekugadzira uye maitiro ari nyore ekugadzira, maLED akachipa pane lasers.
• Kushandiswa kwemagetsi ne LED kwakaderera pane nelaser. Mamwe lasers anogona kuboora kana kutema simbi mashizha, izvo zvinoda kudyiwa kwemagetsi anorema. Ma LED haana kugadzirirwa kushandisa magetsi akawanda.

Applications

akatungamirira

1. Indoor Nzvimbo 

Ma LED ndeimwe yedzimwe nzira dziri nyore kune fluorescent bulbs. Iwo ane isingakuvadzi kemikari mercury, ichiita mwenje we LED ive isingadzokerike sarudzo. Muimba yekutandarira, ma LED anoshandiswa kupa yakajeka aura. 

Kune rumwe rutivi, vamwe vanosarudzawo dimmer atmosphere munzvimbo imwechete. Saka murongi anofanirwa kufungidzira nzvimbo nekudaro kuti mushandisi agone kushandura mwenje wesaiti zvinoenderana nemafungiro ake.

Mukicheni, ma LED anoisirwa pfungwa yakavhenekerwa kuburikidza nenzvimbo yakakura yemabasa anoitwa. Nekudaro, mwenje wekhabhineti unoshandiswa kusimbisa chimwe chikamu. Panguva imwecheteyo, mwenje wakamanikana-danda unofungidzirwa kuvhenekera nzvimbo dzepantry kana chitsuwa chekicheni. 

Muimba yekurara, chiedza chinorema hachina kusarudzwa. Dimmer kana zvinyoro zvigadziriso zvemwenje zvinofungwa zvinoderedza kushushikana kwemaziso. Ndosaka inotonhorera mwenje mimvuri inofarirwa muimba yekurara. 

2. Motokari 

Ma LED anogona kuve akanakisa sarudzo kana mumwe munhu achida kuita yemhando yemhando mumotokari yavo. Kuvhenekera mukati mekushongedza kwemotokari nemwenje ye LED kunogona kuwedzera kukosha kwayo. Kune rimwe divi, mwenje we LED ndeimwe yeanonyanya kufarirwa marambi emota, zvichiita kuti mota itaridzike zvirinani uye inoyevedza. 

3. Nzvimbo dzekunze 

Zvinoenderana nekuratidzwa kwema bulbs e LED, anoiswa munzvimbo dzekunze. Nekudaro, zvirinani kushandisa inodziya-toni maLED se2000K-3000K kune chero nzvimbo yekunze. Kupenya kwacho hakuzonyanyi kunyanyisa uye kunopa chiedza chakakwana kunzvimbo dzakafara. Iwo epamusoro tembiricha yemavara anopa kunyaradza uye anogara kwenguva refu kupfuura incandescent bulbs. 

4. Marobhoti 

Ma LED anoshandisa simba shoma uye anopenya zvakanyanya kupfuura chero mamwe marudzi echiedza. Aya maficha anoita kuti zvive zvakanyanya kuita mari pama LED emarambi emigwagwa. Kunyange zvakadaro, inogara yakasimba uye ine hupenyu hurefu. Semiconductor chip uye reflector inogadzira ma LED. Aya akaiswa mulenzi diki ine ruvara.

5. Kukurukurirana kwakaderera

Zvitende kana kwete, matekinoroji akadai seLi-Fi anoita kuti zvikwanise kufambisa data uchishandisa chiedza. Ma LED anogona kushandiswa kune yakaderera-kure kutaurirana, sezvo data inogona kuenda kunzvimbo dzese uko mwenje wemwenje unosvika kubva kune yemwenje sosi ye LED. Asi iyo data inofambiswa zvishoma nezvishoma, uye kupindira kwekunze kunogona kukonzera kurasikirwa kwedata nyore. Kusimba kwechiedza kunodzora kukurumidza kwekufambisa data, zvakadaro.

6. Ratidza Zviratidziro

Masikirini ekuratidzira anoshandiswa muTV, smartphones, mahwendefa, makomputa, nezvimwewo. Mu LED-based display screens, matrix ye LED inosungirirwa pane panhizha, iyo inotarisira kugadzira mifananidzo pahwindo. Iyo mamaboard mune yekuratidzira sisitimu inosarudza inopenya ruvara rweyega yega LED pane panhizha. Iyo frequency iyo ma LED anoshandura ruvara inomiririrwa nereti yekuzorodza, inoyerwa muHertz.

7. Lighting Decoration

Ungave mutambo, chiitiko, kana musangano webhizinesi, maLED anoshandiswa kushongedza kana kuvheneka nharaunda kuti ienderane nechiitiko. Fairgrounds inonyanya kuve yakashongedzwa ne LEDs, nekuda kwehupamhi hweruvara renji uye kugona kwakanyanya. Zvakare, kushongedza kwemwenje uchishandisa ma LED kunodiwawo munzvimbo dzekunamatira.

Laser 

1. Laser Cutting 

Maitiro ekucheka zvinhu uchishandisa laser ndeyekucheka laser. Yakarurama uye yakakwirira dimension kuchekwa kunowanikwa kuburikidza nenzira iyi. Nekudaro, iwo matanda elaser anouya kubva kumuromo kune anoshanda zvinhu mukuita uku. Laser kucheka kunobatsira pakucheka kweplasma uye kunopedza simba shoma rekutema aluminium nesimbi mapepa. 

2. Optics 

Optics inosarudza kutsauka kwemwenje wemwenje kune akasiyana midhiya. Inoita zvinobudirira mushure mekusiyanisa ne laser. Optics inoshandiswa mukufungidzira kuita uye nekudaro kudzivirira chiratidzo chisina kunaka chelaser-based zviridzwa.

3. Photobiomodulation 

Photobiomodulation inogamuchirwa sekurapa uchishandisa wavelengths yemwenje wemwenje. Kushandisa tsvuku uye pedyo-infrared light wavelengths inoshanda zvakanyanya kuvandudza kutenderera kweropa uye kuderedza marwadzo. Laser inoshandiswa kuderedza kuzvimba uye kukurumidza kupora maitiro. 

4. Engraving 

Engraving simbi mashizha kana pamusoro kurapwa Laser nokuveza anoiswa capitalized. Iyo tekinoroji yepamusoro yesimbi engraving yakakosha mualuminium kana simbi mashizha. Zvisinei, nenzira iyi, kurongeka kwepamusoro-soro kwemashizha kunogona kuwanikwa nemari shoma yekugadzirisa. 

5. Spectroscopy 

Maumbirwo kana kunaka kwezvinhu zvinogona kutsanangurwa nelaser spectroscopy. Nekudaro, yakaratidzawo kusungirirwa kwezvinhu uye kutsvaga magasi aripo munharaunda. Laser spectroscopy inoongorora chimiro chemaatomu uye mamorekuru ane hukama nemhepo.

6. mushonga 

Zvinoshamisa, asi lasers anoshandiswa muhunyanzvi hwekurapa. Laser inoshandiswa mukurapa utachiona hwakasiyana siyana uye zvakare inodzikamisa kupinda kwavo. Muna 1963 laser yakashandiswa mukuvhiya mwoyo. Zvisinei, zvakakosha pakubviswa kwemasero anokuvadza. 

7. Laser Beam Welding 

Mune laser beam welding, mashizha maviri esimbi akabatanidzwa achishandisa matanda elaser. Welding simbi isina tsvina, aruminiyamu, kana titanium mapepa ndeimwe yemuenzaniso wakajairika. Iko kushandiswa kwema lasers kwakakosha zvakanyanya muindasitiri yemotokari.

Distinct Features

akatungamirira

1. Inoponesa Simba 

Mhando yemazuva ano ye LED inochengetedza kusvika ku95% yesimba nekupa kushoma kudiki pamabhiri emagetsi. Marambi e LED anoburitsa mwenje kusvika 180°, zvichiratidza kuti hapana kuraswa kwechiedza.

Zvisinei, izvi zvinotsanangura kuchengetedza kwakawanda mukusiyana nekushaya simba shoma. 

Ma LED anoumbwa ne semiconductor zvinhu umo maerekitironi anoyerera uye anotanga kuumbwa kwesimba rekupisa. Zvisinei, muma LED, gallium phosphide uye gallium arsenide zvinobudisa maerekitironi uye zvinobudisa simba. Ma LED anodzivisa kushandisa simba rawo kurishandura kuva chiedza, kupisa, uye simba. Uyezve, vanotarisa zvachose pakugadzira chiedza kubva panzvimbo inodiwa. 

2. Yakaderera Yekugadzirisa Mutengo 

Kana iwe ukashandisa ma LED, haufanirwe kufunga nezve mutengo wavo wekugadzirisa. Havana zvakawanda zvinokanganisa zvakatipoteredza. Zvakadaro, kupisa kwavo kunoenderana nekuita kwavo mukupisa kwakasiyana. 

Maererano nezvinyorwa, maLED akachipa 12% pane CFL bulbs uye 74% yakachipa pane incandescent bulbs. Saka ma LED haadi kuchengetedzwa kwakawanda seCFL uye incandescent bulbs. 

3. Kuderedza Kushungurudzika Kweziso 

Magirobhu eCFL ane mercury inokuvadza vanhu nenharaunda. Kune rimwe divi, marambi e LED anokonzera kushomeka kwemaziso sezvo asina chero chepfu mercury. 

Uyezve, maLED anoderedza kushushikana kwemaziso sezvo vanhu vakarerekera pakushandisa toni dzinotonhorera, uye haabudise UV mwaranzi. Kazhinji, chiedza cheyero chinoita sechinodzivirira zvakanyanya kune retinas. Inogadzirawo maitiro akasiyana nechiedza chebhuruu.

4. Easy Installation

Ma LED anogona kuiswa nyore nyore pasina ruzivo rwehunyanzvi. Nekudaro, kuisa LED mitsetse iri zvakare pamunwe. Kunamatira zvigadziriso zvemwenje izvi nemanamira kana zvikorekedzo zvinoshandiswa panguva yekuiswa kwavo. Uyezve, mushure mekutora zvigadziriso zvemwenje izvi, zvinogona kushandiswa zvakare pasina 

5. Hupenyu Hurefu Hurefu 

Ma bulbs e LED anokwanisika uye anoshanda kweanopfuura maawa 100,000. Paavhareji kuverenga, maLED anogona kuita nemazvo kwemaawa gumi pazuva. Zvisinei, hapana nzvimbo dzakadaro dzekushanda dzema LED dzinogona kupisa nekufamba kwenguva, zvichiita kuti 10% iwedzere kukosha kudarika incandescent bulbs neCFLs. 

6. Kwakarurama Ruvara Rendering 

Ma LED ane yakakwirira CRI uye kupa toni dzinodziya dzemavara. Matoni anodziya semwenje eyero kana orenji anosarudzwa kuti awane kuzorora uye kunyaradza mune dzimwe nzvimbo senge dzimba dzekurara. Zvisinei, toni dzinotonhorera dzinosarudzwa panzvimbo dzekushanda.

Laser

1. Monochromatic 

Iyo laser inogadzira mirazvo yemwenje yeimwe kana yakafanana wavelength, saka inonzi monochromatic. Mwenje machena anosanganisirwa nehuwandu hwemasaisai anooneka e400 - 700 nm. 

Nekudaro, matanda aya haasiyane munzira ipi neipi. Chiedza chinoburitswa kubva kune laser chinobuda kubva kune imwe shanduko yeatomu maererano nechaiyo wavelength. Saka inoumba chaiyo spectral ruvara. 

2. Kubatana 

Iwo mawavelengths emalaser matanda haasiyane uye anofamba akananga kwaakananga nzira. Aya mawavelengths 

zvakafanana muzvikamu zvese zvinogoneka. Nekudaro, masaisai anoumbwa nemwaranzi yechiedza anonyatso kurongeka uye nekudaro anotevera masaisai mamwe chete. 

3. Yakakwira Energy 

Laser inoburitsa maerekitironi nekupomba simba uye inosungwa zvine simba nemaatomu. Aya maatomu anosundira maerekitironi akananga padanho repamusoro resimba. Zvisinei, maerekitironi anogara achichajiswa nekuda kwesimba rinopomba. 

Maerekitironi kubva kuma lasers anogadzirwa kubva kumagetsi emagetsi. Zvisineyi, simba rekuwedzera rinoita kuti maerekitironi achinje nzira yawo kubva pazasi kuenda kune yakakwirira orbit kuti atenderere nepakati. 

4. Polarized 

Iwo lasers anogara ari mu polarized state. Nekudaro, matanda anogara achifamba munzira yakatwasuka, nokudaro achigadzira makona chaiwo. Iyo polarized laser mwenje inosimudzira hunyanzvi nekuvandudza iwo mufananidzo mhando yezvinhu zvakawanikwa. Uyezve, deformation yendima yemagetsi mune maerekitironi asina kunaka inotenderera kune nuclei yakanaka kune imwe nzira.

5. Collimated 

Iyo collimated beam yelaser light inopararira mune homogeneous medium. Kusiyana neizvi, kusiyana kwematanda epasi kunoguma nekuchinja kwakasiyana mukuparadzirwa kwakakura mumadaro akataurwa.

Collimated laser mwenje inofanana. Pakufamba, inopararira zvishoma nezvishoma. Matanda aya anonziwo collinear uye akarongwa mutsetse wakatwasuka.

6. Inoda Special Equipment

Paunenge uchishanda ne lasers, yakakosha giya rekudzivirira inodiwa. Kungave kuvhiya kwepakati, kucheka simbi, kana chimwe chinhu, mushandisi anofanira kupfeka magurovhosi akakosha anogona kuchengetedza maoko kubva kune laser. Mushandisi anofanirwawo kuvhara maziso avo neyakasarudzika-yakazara kumeso mask kusefa maranzi anokuvadza e laser uye kuti asakuvadze maziso.

LED vs. Laser Kuenzanisa Chati

Factor	Chiedza Chinoburitsa Diode	Laser
Working Principle	Electro luminance	Stimulated emission
Kupindura Kwekumhanya	nonoka	zvinenge
Kutyaira Current	50mA kusvika 100mA	5mA kusvika 40mA
Bandwidth Range	10THz kusvika 50THz	1MHz to 2MHz
Magetsi-ku-ku-mwenje kushandura kushanda zvakanaka	20%	70%
mutengo	Mutengo wakaderera, saka, une mari	Mutengo wakakwirira, naizvozvo, kushandiswa kwakaganhurirwa

FAQs

mhedziso

Pakupera kwechinyorwa chino, takaona misiyano mikuru pakati pema LED nema lasers. Mushure mekuenzanisa, zvakachengeteka kugumisa kuti ma LED uye lasers ane akasiyana mashandisiro uye mashandisiro. Nepo ma LED achinyanya kuitirwa kuvhenekera, ma lasers anoitirwa kurongeka, kunongedza kupfura, uye basa rinoda kupfura mwenje wemwenje kusvika padanho rakakwana. Zvakare, mavara akasiyana eLED uye lasers ane maitiro akasiyana, ndosaka achishandiswa mumhando dzakasiyana dzekurapa. Nepo LED ichinyanya kurerekera kune hutano hwepfungwa, lasers inonyanya kubatsira mune anatomy uye kurapwa kwenhengo dzemuviri wemunhu.

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