Te mārama ki te whanonga o ngā diode me ngā led me mōhio ki te āhua o ngā āhuatanga whakaarokore hiko e pā ana ki tō rātou mahi. Ko te āta whakamua me te āta whakaheke he ariā taketake e whakatau ana mēnā ka whakahaerehia e ēnei pūrere whakarewa rama haurua te hiko, ka whakaputa i te marama, ka aukati rānei i te rere o te nāianei. He mea nui te pātahitanga i waenganui i te ngaohiko e whakamahia ana me te whanonga o te pūrere mō te tangata e hoahoa ana i ngā ara iahiko, e whiriwhiri ana i ngā wāhanga, e whakatau ana rānei i ngā raruraru o ngā pūnaha hiko. Ka tirotirohia i tēnei tuhinga te āhua o ēnei āhuatanga ārai e pā ana ki te mahi o te diode, te putanga marama, me te mahi whānui o te pūnaha.
Ko ngā āhuatanga pūtaiao o te whakamāngai āwhina me ngā whakamāngai hoki e noho ana i te wāhi o te hononga i waenganui i ngā kōpae rākau hāngai i ngā diode me ngā rākau whakamāngai mātā. I te wā e whakamāngai ana i te taha p me te whakamāngai hoki i te taha n, ka rere te wāhanga, ā, ka whakamāngai ai ngā āhuatanga o te LED i tēnei wā. Ko te whakamāngai hoki he whakamāngai i te taha p me te whakamāngai āwhina i te taha n, ā, he here i te rere o te wāhanga, ā, he wāhi kore wāhanga. Ko te mātauranga i ēnei āhuatanga he tāraiwa hei whakamāngai i ngā rākau hāngai whakamāngai mātā mō ngā whakamātau āhua, ā, hei whakapakari i tō rātou whakamārama i ngā rākau.
Te Āhuatanga o te Whakamāngai Āwhina me te Rere o te Wāhanga
Me pēhea te whakamāngai āwhina e whakamāngai ai te rere
Ko te whakamāhinga a mua i ngā diode me ngā LED he whakamāhinga i te hōhi e whakakaha ana i te rākau pūtake i te tāwhai. Ko te taha tāwhai e hono ana ki te matūranga p-type, ā, ko te taha hōhi e hono ana ki te matūranga n-type, e whakamārama ana i ngā āhua kia haere ake ngā ira āhua me ngā wāhi kore ki te tāwhai, ā, kia whakauru. Ko tēnei whakauru e whakawhitinga ana i te hōhi i te āhua o te mahana, i te āhua o te āhua, i te rākau pūtake me te momo o te rākau; mō ngā rākau pūtake e whakaahua ana i te āhua, ko tēnei te whakawhitinga o te āhua o te āhua, ā, ko te whakamāhinga a mua te āhua o te mahi mō ngā LED me ēnei atu rākau āhua.
Te Whakaahua āhua me te Whakawhitinga o te Hōhi
Ina whakahiato anō ngā kaikawe utu i roto i te hononga, ka whakawhiti ki ngā āhua pūngao iti ake, ka whakaputa i ngā pūāhua. Ko te roangaru me te tae o te marama i tukuna e whakawhirinaki ana ki te pūngao o te kōpae o te paepae o te haurua me te hanganga o te rauemi. He rerekē ngā rauemi e whakaputa ana i ngā tae: ka whakaputaina e te arsenide gallium te pōkākā, ka whakaputaina e te nitride gallium te puru me te ultraviolet, ā, ka whakaputaina e te konumohe indium phosphide te marama whero me te amber. Ko te kaha me te mahi o ēnei pūrere whakarewa rama haurua-kaupapa ka tino pai ake ina pai ake te ngaohiko aronga ki mua mo te rauemi motuhake, e whakarite ana i te hanga photon nui rawa atu mo te hiko whakauru.
Ko te Taupatupatu Whakamārama me ngā Āhuatanga Whakakore
Te Whakamahia o te Ngaohiko Tauhokohoko
Ko te whakamāngai huri i te rākau pūtake e whakamāngai ana i ngā āhua kia piki ake te rākau pūtake i te tāwhai o te rākau pūtake. Ko te tāwhai mātāu e hono ana ki te taha p me te tāwhai tāwhai e hono ana ki te taha n, e whakakīhai ana i ngā kaiwhakamāngai āhua mai i te tāwhai me te whakakaha i te rohe kore-āhua. Ko tēnei āhua e rere ana i te rere āhua i ngā rākau pūtake tātai me ngā LED, kia whakamāhinga ai te rākau hei kaiwhakamāngai. Ko te āhua o te whakamāngai huri he matua mo ngā whakamāhi i ngā rākau pūtake āhua, i reira me whakamāngai huri ngā rākau pūtake me ngā LED hei kaiwhakamāhi kia kitea ai ngā photon e tū mai ana me te whakamāhi i ngā tohu āhua e whakamāhinga ai.
Te whakamāhinga me te whakamāhinga o Zener
I ngā whakamātautau kōpū huri i te wāhi e taea ana, ka whakamāhinga te pūkenga o te mātāwae hāngā, ā, ko ngā kaiwhakamāhi i te wāhi e taea ana ka whiwhi i te pūkenga e taea ana te whakamāhinga i ngā kaiwhakamāhi atu, e whakamārama ana i te rere o ngā whakamātautau. Ka whakamāhinga tēnei whakamātautau i ngā diode tātai, engari i ngā diode Zener, he whakamāhinga kia taea ai te whakamāhinga o te hāngā. Ko ngā whakamātautau o ngā photodiode e whakamāhinga ana i te whakamātautau kōpū hei whakamāhinga i te rohe kore-hāngā hei whakamāhinga i te rōrahi o te whakamātautau i te mārama, ā, hei whakamāhinga hoki i te mātauranga ki ngā photon e uru mai ana. Ko te mātauranga i ngā hāngā whakamātautau me ngā whakamātautau he mea matua hei tiaki i ngā rārangi, ā, hei whakakore i ngā whānanga o ngā kōpū hāngā e whakaahua ana i te mārama me ngā photodiode.
Te Painga o te Ao Tāpoi ki te Whanonga me te Whirihanga
Te Whakamāhinga o te Pakaru o ngā LED
Ko te whakamāhua i te pūhānganga me ngā mahi o ngā pūtake mātātoko he mea tino pūmau ki te whakamāhua i te rere āwhina i roto i ngā rārangi haumaru o te whakamāmā. Ko te rere āwhina hāngai ake he take o te whakapaha ake i te hōhi, me te iti ake o ngā photon i whakamāhutia i ia tāwhai kōpū, e poto ana i te wā ora o te rākau, ā, e iti ana hoki i te pūhānganga katoa. Ko te whakamāmā i te tāwhai kōpū i te āhua tika, mā ngā rēsita, i ngā pūtake tāwhai, e whakamāhinga ana i te rere āwhina i tēnei wāhi pai, kia kaha tonu ngā mātātoko, ā, kia taea ngā whakamāmā hōhi. Ko ngā rākau pūhānganga kounga o ngā mātātoko mātātoko i whakamāhutia hei rākau mō ngā rere āwhina me ngā tāwhai kōpū āhua tika, kia whakamāhutia ai te pūhānganga me ngā mahi o ngā LED, ā, kia whakamāhutia ai hoki te wā ora roa i ngā whakamātau pūkenga.
Ngā whakaaro mō ngā kaitiaki photodiode
Ko ngā whakamātautau i ngā photodiode e hiahiatia ana te whakamārama tāwhai i te whakauru kōrero kia rite te pānga i waenganui i te mātauranga me ngā āhua o te riri. Ko ngā whakauru kōrero aukati aukati ake he whakakaha i te whānui o te rohe kore-pūmau, ā, he whakapai hoki i te whai i ngā tātai, engari he whakapai hoki i te wāhanga kore-mātua me ngā riri o te hāngā. Ko ngā whakauru kōrero o ngā photodiode pai rawa mai i ngā tohutohu o te kaiwhakamahi mō ngā mahi whakamātautau ā-tātai. Me whakauru tāwhai ngā rākau hāngā e whakamahinga ana hei kaimātautau i te whakamārama o te rorohiko kia whakamātautau ai ngā photodiode i ngā mahi whakamātautau ā-tātai, i ngā whakamātautau ā-hāngā, me ngā pūnaha whakaahua.
FAQ
He aha te rerekē i waenganui i te whakauru kōrero tāwhai me te whakauru kōrero kōrero kōrero i ngā diode me ngā LED?
Ko te whakamāhinga ā-mua he whakamāhinga o te hāngā p i te tāpiri hāngā tāwhai, ā, he whakamāhinga o te hāngā n i te tāpiri hāngā whakawhitinga, e whakamāmā ana i te rākau whakamāhinga o te rākau, ā, e whakaae ana i te rere o te wāhi me te whakamāhinga o te ao. Ko te whakamāhinga whakawhitinga he whakamāhinga o te hāngā p i te tāpiri hāngā whakawhitinga, ā, he whakamāhinga o te hāngā n i te tāpiri hāngā tāwhai, e whakarahi ana i te rohe kore-wāhi, ā, e rāhui ana i te rere tūturu o te wāhi. Ko te whakamāhinga ā-mua te āhua mahi mō ngā LED hei whakamāhinga o te ao, ā, ko te whakamāhinga whakawhitinga he whakamāhinga mō ngā photodiode me ngā rārangi whakamāhinga hāngā.
He aha te whāinga o te whakamāhinga ā-mua i te whaihua me ngā mahinga o te LED?
Ko te hāngā tāwhai ā-mua tika he whakamāhinga o te whakamāhinga o ngā kaitono wāhi i ngā rākau whakamāhinga ao, e whakamāhinga ana i te whakamāhinga o ngā photon i te whakamāhinga o te wāhi. Ko te whakamāhinga ā-mua tāwhai he whakamāhinga o te whakamāhinga o te hōhi, ā, he whakamāhinga o te whaihua me ngā mahinga o te LED i te whakamāhinga o ngā ngāwari hōhi. Ko te hāngā tāwhai ā-mua tika, i tohua mai e te kaiwhakamahi mō ngā diode me ngā LED, he whakamāhinga o te whakamāhinga o te ao me te wā roa o te rākau i ngā whakamātau.
He aha te take i tēnei ngā whakamātautau i ngā photodiode e whai ana i ngā āhua o te whakauru huri?
Ko te whakauru huri i ngā whakamātautau i ngā photodiode he whakaputa i tēnei wāhi kore-mātua whānui, ā, ko tēnei e pāngia ana i te mātua o ngā photon e tau mai ana, ā, e whakapai ake ana i te whai i ngā utu. Ko te whānui o tēnei wāhi kore-mātua he whakarere i ngā photon kia whakapūpū ai ngā takirua o ngā ira pūmau me ngā rere, kia whakamāmā ai te tohu o te au. Ko te whakauru huri tika, ā, ko tēnei i tātai ai mō ngā whakamātautau i ngā photodiode, he whakarite i te mātua o te whai, ā, o ngā āhua o te riri mō te whakamārama i te mārama i ngā kaitiaki me ngā pūnaha whakamārama ā-hāngā.
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