Kodi Kusiyanitsa Pakati pa LED ndi Laser ndi Chiyani?

Kuwala kowala ndi njira yomwe mphamvu imayendera pokhudzana ndi malo enaake. Nyali nthawi zambiri zimayenda molunjika ndipo zimakhala zofanana nthawi zonse. Ma laser ndi ma LED ndi magawo awiri ofunikira a kuwala. 

Laser imawonetsa zotsatira zowoneka bwino ndikuwonetsa minda yolumikizana yamagetsi munjira yomweyo. Komabe, ma lasers ndi othandiza pama drive opangira ma disc, kutsatizana kwa DNA, ndi zina zambiri. 

Ma laser amasuntha kuchokera kumayendedwe amphamvu kwambiri kupita ku otsika atalimbikitsidwa ndi ma elekitironi amphamvu kwambiri. Zimagwira ntchito mowoneka bwino ngati kuwala kwanthawi zonse ndipo zimawonetsa maubwino angapo azaumoyo, monga kupewa kutaya magazi m'mitsempha yamagazi.

LED ndi chipangizo cha semiconductor chikaperekedwa ndi magetsi, chimatulutsa kuwala. Izi ndizochita bwino kwambiri popereka magetsi owoneka bwino okhala ndi nthawi yayitali komanso yolimba. Zowunikirazi zimagwiritsidwa ntchito pakuyika m'malo amkati ndi akunja. 

Kuwala kwa LED Kufotokozera

Amatulutsa mphamvu ya photon pambuyo pophatikizana ndi mabowo a electron. Nyali za LED zimagwira ntchito bwino pakutulutsa mphamvu kuposa nyali za incandescent ndi nyali zina za fulorosenti. 

Mphamvu ya nyali zamalonda za LED ndi 200 lumen pa watt (Lm/W). Chifukwa chake, moyo wake ndi wautali kwambiri kuposa mababu a fulorosenti. Dongosolo lamagetsi limafunikira pakuyenda kwapano ndipo limagwira ntchito makamaka ndi tchipisi ta LED. Ma LED amatha kutentha mwachangu ndipo samachepetsa nthawi yomwe amakhala ndi moyo. Komabe, kuwala kwa ma LED kumachepa pakapita nthawi. 

Microchip ndiye chinthu chachikulu cha ma LED omwe amayambitsa kuwonekera kwa kuwala. Electroluminescence ndiye mfundo yomwe ma LED amagwirira ntchito. Komabe, zamakono zimanyamula ndalama zomwe zimaphatikizana pa mphambano ndi kutulutsa ma photon. Chip cha LED ndi Dalaivala ndizo zigawo zazikulu za kuwala kwa LED.

Kuti mudziwe zambiri, mukhoza kuwerenga Ubwino ndi Kuipa kwa Kuunikira kwa LED.

Kuwala kwa Laser Kufotokozera

Laser kuwala ndi yopapatiza Dothi kuwala kochokera ku laser. Ndi imodzi mwazowunikira zowunikira komanso zothandiza kwambiri pazaukadaulo. Liwu lalifupi loti 'Laser' limayimira Kukulitsa Kuwala ndi Stimulated Emission of Radiation. Laser ndi monochromatic, ndipo matabwa ake amafanana ndipo samawonekera mowonekera kwa mtunda wautali.  

Laser imakhala ndi galasi lathyathyathya komanso lopindika. Mapiritsiwa amatsogolera mtengo wopapatiza kuti upeze utali wozungulira bwino ndikuzungulira mozungulira popanda kusokoneza m'lifupi mwake ndi kuzungulira kulikonse. Kutayika kwa mphamvu mukuyenda mozungulira kwa resonator kumalepheretsa mphamvu yake ya kuwala.

Miyendo ya laser ndiyothandiza pozindikira malo otsimikizika kuti mukwaniritse kuwala. Komabe, sizimapatuka kudera lalikulu. Chifukwa chake kuchuluka kwa kunyezimira kumakhala kochepa. Polarized wave wa laser amapezedwa pafupipafupi, kuwonetsa kugwirizana kwa nthawi yayitali.

LED vs. Laser - Kusiyana kwakukulu

• Magetsi a LED ali ndi kuwala kobalalika, kutanthauza kuti kuwalako kumafalikira pamene akuyenda kutali ndi gwero la kuwala. Ma laser ali ndi mtengo wowongoka womwe umayenda molunjika. Ma laser samabalalika. Ma LED amapanga gulu lalikulu la mafunde, pomwe ma laser amakhala ndi mawonekedwe amtundu umodzi. 
• Kuwala kwa LED kumayenda pang'onopang'ono kuposa kuwala kwa laser. Izi zikutanthauza kuti ma LED amayankha pang'onopang'ono kuposa ma laser.
• Kuwala kwa LED ndi kotetezeka kwa maso. M'malo mwake, ma lasers amatha kusiya kuwonongeka kosatha kwa maliseche. Anthu amafunika kukhala ndi zida zapadera zoteteza maso akamagwira ntchito ndi ma laser.
• Kuchuluka kwa kuwala kwa LED ndikocheperako kuposa ma laser. Izi zimapangitsa kuti anthu azitha kuyang'ana babu la LED ndi maso awo amaliseche kwa masekondi angapo popanda kuwononga maso mpaka kalekale. Ngakhale kwa masekondi atatu kapena kupitilira apo, kuyang'ana pa gwero la laser kumatha kuwononga maso.
• Kusintha kwamphamvu kwa ma LED ndikotsika kwambiri poyerekeza ndi ma laser. Ma laser amatha kusinthira magetsi kuti aziwunikira mpaka 70%, pomwe ma LED amatha kusintha mpaka 10% kapena mwina 20%.
• Chifukwa cha kutsika mtengo kopanga komanso njira zosavuta zopangira, ma LED ndi otsika mtengo kuposa ma laser.
• Kugwiritsa ntchito magetsi ndi LED ndikocheperako poyerekeza ndi laser. Ma lasers ena amatha kuboola kapena kudula zitsulo, zomwe zimafuna kugwiritsa ntchito magetsi ambiri. Ma LED sanapangidwe kuti azidya magetsi ambiri.

Mapulogalamu

LED

1. Malo Amkati 

Ma LED ndi amodzi mwa njira zosavuta zosinthira mababu a fulorosenti. Zili ndi mankhwala osavulaza a mercury, zomwe zimapangitsa kuti magetsi a LED akhale njira yosasinthika. Pabalaza, ma LED amagwiritsidwa ntchito kuti apereke kuwala kowala. 

Kumbali ina, ena amakondanso mpweya wochepa kwambiri pamalo omwewo. Chifukwa chake wokonza mapulaniwo amayenera kuganiza za malowo kuti wogwiritsa ntchito asinthe kuyatsa kwamasamba malinga ndi momwe akumvera.

Kukhitchini, ma LED amayikidwa pamalingaliro owunikira kudzera m'dera lalikulu la ntchito zomwe zachitika. Komabe, kuyatsa kabati kumagwiritsidwa ntchito kutsindika gawo linalake. Panthawi imodzimodziyo, nyali zopapatiza zimaganiziridwa kuti ziunikire madera a pantry kapena chilumba cha khitchini. 

M'chipinda chogona, kuyatsa kwakukulu sikukonda. Zowunikira zowala kapena zofewa zimaganiziridwa zomwe zimachepetsa kupsinjika kwamaso. Ndicho chifukwa chake mithunzi yowala yoziziritsa bwino imakondedwa m'chipinda chogona. 

2. magalimoto 

Ma LED atha kukhala njira yabwino kwambiri ngati wina akufuna kukhala ndi mawonekedwe apamwamba m'galimoto yawo. Kuwunikira zokongoletsa mkati mwagalimoto ndi nyali za LED zitha kukulitsa kufunikira kwake. Kumbali ina, nyali za LED ndi imodzi mwa nyali zodziwika bwino zamagalimoto, zomwe zimapangitsa kuti galimotoyo iwoneke bwino komanso yokongola kwambiri. 

3. Malo Okunja 

Malinga ndi kuwonekera kwa mababu a LED, amaphatikizidwa m'madera akunja. Komabe, ndibwino kugwiritsa ntchito ma LED ofunda ngati 2000K-3000K pamalo aliwonse akunja. Kuwalako sikudzakhala kochuluka kwambiri ndipo kudzapereka chiunikiro chokwanira kumadera akuluakulu. Kutentha kwamtundu wapamwamba kumapereka chitonthozo komanso kumatenga nthawi yayitali kuposa mababu a incandescent. 

4. Magetsi a Magalimoto 

Ma LED amadya mphamvu zochepa ndipo amawala kwambiri kuposa mtundu wina uliwonse wa kuwala. Zinthu izi zimapangitsa kuti zikhale zogwira mtima kwambiri kugwiritsa ntchito ma LED pamagetsi apamsewu. Komabe, ndi yolimba kwambiri ndipo imakhala ndi moyo wautali. Chip cha semiconductor ndi chowunikira chimapanga ma LED. Izi zimayikidwa mu lens yaying'ono yamitundu.

5. Kuyankhulana Kwakutali

Khulupirirani kapena ayi, matekinoloje monga Li-Fi amathandizira kutumiza deta pogwiritsa ntchito kuwala. Ma LED angagwiritsidwe ntchito poyankhulana patali, popeza deta imatha kupita kumadera onse kumene kuwala kwa kuwala kumachokera ku gwero la kuwala kwa LED. Koma kusamutsa deta pa mlingo pang'onopang'ono, ndi kusokoneza akunja mosavuta kuwononga deta. Kuchuluka kwa kuwala kumawongolera kuthamanga kwa data, ngakhale.

6. Onetsani Zithunzi

Zowonetsera zowonetsera zimagwiritsidwa ntchito pa TV, mafoni a m'manja, mapiritsi, makompyuta, ndi zina zotero. Muzitsulo zowonetsera zowonetsera za LED, matrix a LED amaikidwa pa gulu, lomwe liri ndi udindo wopanga zithunzi pazenera. Bolodi ya mavabodi pamawonekedwe amasankha mtundu wonyezimira wa LED iliyonse pagawo. Mafupipafupi omwe ma LEDwa amasintha mtundu amaimiridwa ndi kutsitsimula, komwe kumayesedwa mu Hertz.

7. Kukongoletsa kowala

Kaya ndi chikondwerero, chochitika, kapena msonkhano wamalonda, ma LED amagwiritsidwa ntchito kukongoletsa kapena kuyatsa malo kuti agwirizane ndi mwambowu. Ma Fairgrounds amakongoletsedwa makamaka ndi ma LED, chifukwa chamitundu yosiyanasiyana komanso magwiridwe antchito apamwamba. Kuphatikiza apo, kukongoletsa kowunikira pogwiritsa ntchito ma LED kumakondedwanso kumalo olambirira.

laser 

1. Kudula kwa Laser 

Njira yodulira zinthu pogwiritsa ntchito laser ndi kudula kwa laser. Kudulidwa kolondola komanso kwapamwamba kumapezedwa kudzera mu njirayi. Komabe, matabwa a laser amachokera ku nozzle kupita kuzinthu zogwira ntchito pochita izi. Kudula kwa laser ndikopindulitsa pakudula kwa plasma ndipo kumawononga mphamvu zochepa podula aluminiyamu ndi mapepala achitsulo. 

2. Optics 

Optics amatsimikizira kusinthika kwa nyali zowala kumitundu yosiyanasiyana. Zimagwira ntchito bwino pambuyo posiyanitsa ndi laser. Optics amagwiritsidwa ntchito pojambula zithunzi ndipo motero amalepheretsa kusokoneza kwa zida za laser.

3. Photobiomodulation 

Photobiomodulation imavomerezedwa ngati chithandizo chogwiritsa ntchito kutalika kwa mafunde a nyali zowala. Kugwiritsa ntchito kuwala kofiira ndi pafupi ndi infrared wavelengths kumagwira ntchito bwino kuti magazi aziyenda bwino komanso kuchepetsa ululu. Laser imagwiritsidwa ntchito pochepetsa kutupa ndikufulumizitsa machiritso. 

4. Kulemba 

chosema zitsulo mapepala kapena pamwamba mankhwala laser chosema ndi capitalized. Ukadaulo wotsogola wojambula zitsulo ndizofunikira kwambiri mu aluminiyamu kapena mapepala achitsulo. Komabe, ndi njirayi, kulondola kwapamwamba kwa mapepala kungapezeke ndi ndalama zochepa zokonza. 

5. Zojambulajambula 

Zolemba kapena mtundu wa zida zitha kutsimikiziridwa ndi laser spectroscopy. Komabe, linanenanso kuti zinthu zomwe zili m'gulu la zinthuzi ndi kufufuza mpweya womwe umapezeka m'chilengedwe. Laser spectroscopy amafufuza kapangidwe ka maatomu ndi mamolekyu okhudzana ndi mlengalenga.

6. Medicine 

Ndizodabwitsa kwambiri, koma ma lasers amagwiritsidwa ntchito muzachipatala zapamwamba. Laser imagwiritsidwa ntchito pochiza tizilombo toyambitsa matenda komanso kuchepetsa kuukira kwawo. Mu 1963 laser idagwiritsidwa ntchito pakuchita opaleshoni yamtima. Komabe, ndizofunika kwambiri pakuchotsa ma cell oyipa. 

7. Kuwotcherera kwa Laser Beam 

Mu kuwotcherera mtengo wa laser, mapepala awiri azitsulo amalumikizidwa pogwiritsa ntchito matabwa a laser. Kuwotcherera zitsulo zosapanga dzimbiri, aluminiyamu, kapena titaniyamu ndi zina mwa zitsanzo zofala. Kugwiritsiridwa ntchito kwa lasers ndikofunikira kwambiri pamakampani opanga magalimoto.

Zosiyanasiyana

LED

1. Amapulumutsa Mphamvu 

Mitundu yamakono ya ma LED imapulumutsa mphamvu mpaka 95% mwa kupereka mphamvu zochepa pa ngongole zamagetsi. Nyali za LED zimatulutsa kuwala mpaka 180 °, kusonyeza kuti palibe kuwonongeka kwa kuwala.

Komabe, izi zikufotokozera zambiri zosungirako kusiyana ndi mphamvu zochepa zowonongeka. 

Ma LED amapangidwa ndi zinthu za semiconductor momwe ma electron amayendera ndikuyamba kupanga mphamvu ya kutentha. Komabe, mu ma LED, gallium phosphide ndi gallium arsenide amapanga ma elekitironi ndi kutulutsa mphamvu. Ma LED amapewa kugwiritsa ntchito mphamvu zawo kuti asandutse kuwala, kutentha, ndi mphamvu. Komanso, amayang'ana kwambiri pakupanga kuwala kuchokera pamalo ofunikira. 

2. Mtengo Wochepera 

Ngati mumagwiritsa ntchito ma LED, simuyenera kuganizira za mtengo wawo wokonza. Sakhala ndi zotsatira zambiri pa chilengedwe. Komabe, kutentha kwawo kumadalira mmene amachitira pa kutentha kosiyana. 

Malinga ndi magwero, ma LED ndi 12% otsika mtengo kuposa mababu a CFL ndipo 74% otsika mtengo kuposa mababu a incandescent. Chifukwa chake ma LED safuna chisamaliro chochuluka monga CFL ndi mababu a incandescent. 

3. Kuchepetsa Kupsinjika kwa Diso 

Mababu a CFL ali ndi mercury yomwe ndi yovulaza anthu komanso chilengedwe. Kumbali ina, magetsi a LED amachititsa kuti maso awonongeke pang'ono chifukwa alibe mercury yoopsa. 

Kuphatikiza apo, ma LED amachepetsa kupsinjika kwa maso chifukwa anthu amakonda kugwiritsa ntchito ma toni ozizira, ndipo samatulutsa kuwala kwa UV. Nthawi zambiri, kuwala kwachikasu kumawoneka ngati kuwala koteteza kwambiri ma retina. Zimapanganso zotsatira zosiyana ndi kuwala kwa buluu.

4. Kumangidwe kosavuta

Ma LED amatha kukhazikitsidwa mosavuta popanda chidziwitso chaukadaulo. Komabe, kukhazikitsa zingwe za LED kulinso chala. Kumamatira zowunikira izi ndi zomatira kapena mbedza zimagwiritsidwa ntchito pakuyika kwawo. Komanso, mutachotsa zowunikirazi, zitha kugwiritsidwanso ntchito popanda 

5. Kutalika kwa Moyo Wautali 

Mababu a LED ndi otsika mtengo ndipo amagwira ntchito pafupifupi maola 100,000. Pakuwerengera kwapakati, ma LED amatha kugwira ntchito bwino kwa maola 10 patsiku. Komabe, palibe malo ogwirira ntchito ngati amenewa a ma LED omwe angapse ndi nthawi, zomwe zimapangitsa kuti 75% ikhale yofunika kwambiri kuposa mababu a incandescent ndi CFL. 

6. Kumasulira Kolondola Kwamitundu 

Ma LED ndi apamwamba CRI ndi kupereka mitundu yotentha yamitundu. Ma toni otentha ngati nyali zachikasu kapena lalanje amakonda kukhala omasuka komanso otonthoza m'malo ena monga zipinda zogona. Komabe, ma toni ozizira amasankhidwa kumalo ogwirira ntchito.

laser

1. Zosintha 

Laser imapanga kuwala kwamtundu umodzi kapena wofanana, motero imatchedwa monochromatic. Nyali zoyera zimaphatikizana ndi mawonekedwe owoneka bwino a 400 - 700 nm. 

Komabe, matabwa awa samapatukana mbali iliyonse. Kuwala komwe kumachokera ku laser kumachokera ku kusintha kwa atomiki kukhudzana ndi kutalika kwake. Chifukwa chake zimapanga mtundu wina wowoneka bwino. 

2. Mgwirizano 

Mafunde a matabwa a laser samapatukana ndikupita kumalo otsimikizika. Mafunde awa 

ndizofanana m'magawo onse otheka. Komabe, mafunde opangidwa ndi kuwala kwa kuwala amakhala ogwirizana kwambiri ndipo motero amatsatira mafunde omwewo. 

3. Mphamvu Zapamwamba 

Laser imatulutsa ma elekitironi popopera mphamvu ndipo imamangidwa mwamphamvu ndi ma atomu. Ma atomu awa amakankhira ma elekitironi kumtunda wapamwamba wa quantum mphamvu. Komabe, ma elekitironi nthawi zonse amaperekedwa chifukwa cha mphamvu yopopa. 

Ma electron ochokera ku lasers amapangidwa kuchokera ku mafunde amagetsi. Ngakhale zili choncho, mphamvu yowonjezera imapangitsa kuti ma elekitironi asinthe njira yawo kuchokera kumunsi kupita kumalo okwera kwambiri kuti azizungulira phata. 

4. Adasokoneza 

Ma lasers nthawi zonse amakhala mu polarized state. Komabe, matabwa nthawi zonse amayenda molunjika, motero amapanga ngodya zolondola. Kuwala kwa laser polarized kumawonjezera luso pakuwongolera chithunzi chazinthu zomwe zapezedwa. Komanso, mapindikidwe a munda magetsi mu ma elekitironi zoipa zimazungulira phata zabwino mbali ina.

5. Collimated 

Kuwala kophatikizana kwa kuwala kwa laser kumafalikira mosiyanasiyana. Mosiyana ndi zimenezi, kusiyana kwa matabwa apansi kumabweretsa kusintha kwapadera mu kugawidwa kwakukulu kwa mtunda wautali.

Magetsi a laser osakanikirana amafanana. Poyenda, imabalalika pang'onopang'ono. Mitanda imeneyi imatchedwanso collinear ndipo imakonzedwa molunjika.

6. Pamafunika Zida Zapadera

Pogwira ntchito ndi lasers, zida zapadera zodzitetezera zimafunika. Kaya ndi opaleshoni yapakati, kudula zitsulo, kapena china, wogwiritsa ntchito ayenera kuvala magolovesi apadera omwe amatha kuteteza manja ku laser. Wogwiritsa ntchito ayeneranso kuphimba maso awo ndi chigoba chapadera cha nkhope yonse kuti asefe kuwala koyipa kwa laser ndikuwateteza kuti asawononge maso.

LED vs. Laser Kuyerekeza Tchati

Zochitika	Kuwala Kupititsa patsogolo	laser
ntchito Mfundo	Kuwala kwamagetsi	Kutulutsa kolimbikitsidwa
Kuthamanga Kwambiri	wosakwiya	Mofulumira
Kuyendetsa Panopa	50mA mpaka 100mA	5mA mpaka 40mA
Bandwidth Range	10THz mpaka 50THz	1MHz ku 2MHz
Magetsi-to-light kutembenuka bwino	20%	70%
Cost	Choncho, mtengo wotsika mtengo	Mtengo wapamwamba, motero, ntchito yochepa

Ibibazo

Kutsiliza

Pakutha kwa nkhaniyi, tawona kusiyana kwakukulu pakati pa ma LED ndi ma laser. Pambuyo poyerekezera, ndibwino kunena kuti ma LED ndi ma lasers ali ndi ntchito zosiyanasiyana. Ngakhale ma LED amapangidwira kuti aziunikira, ma lasers amapangidwira kulondola, kuwombera molunjika, ndi ntchito yomwe imafuna kuwombera mtengo wowala kwambiri. Komanso, mitundu yosiyanasiyana ya ma LED ndi ma lasers ali ndi zotsatira zosiyana, ndichifukwa chake amagwiritsidwa ntchito mumitundu yosiyanasiyana yamankhwala. Ngakhale kuti LED imakonda kwambiri thanzi lamaganizidwe, ma lasers ndi othandiza kwambiri pathupi komanso kuchiza ziwalo zathupi la munthu.

LEDYi amapanga apamwamba kwambiri Mizere ya LED ndi neon flex ya LED. Zogulitsa zathu zonse zimadutsa m'ma laboratories apamwamba kwambiri kuti zitsimikizire kuti zili bwino kwambiri. Kupatula apo, timapereka zosankha makonda pamizere yathu ya LED ndi neon flex. Chifukwa chake, pamzere wapamwamba wa LED ndi LED neon flex, kulumikizana ndi LEDYi POSACHEDWA!