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ʻO ke kumu kumu o nā laser fiber mode hoʻokahi
ʻO ke kumu kumu o nā laser fiber mode hoʻokahi ʻO ka hanauna o ka laser pono e hālāwai me ʻekolu mau kumu kumu: ka huli ʻana o ka heluna kanaka, kahi lua resonant kūpono, a hiki i ka paepae laser (ʻo ka loaʻa ʻana o ka mālamalama i loko o ka lua resonant e ʻoi aku ka nui ma mua o ka poho). ʻO ka mīkini hana o ...Heluhelu hou aku -
RF hou ma luna o ka hoʻonā fiber
ʻO ka RF hou ma luna o ka hoʻonā fiber I loko o ka ʻenehana electromagnetic paʻakikī o kēia mau lā a me ka puka mau ʻana o nā hōʻailona hōʻailona, pehea e hoʻokō ai i ka hilinaʻi kiʻekiʻe, ka lōʻihi a me ka hoʻoili paʻa ʻana o nā hōʻailona uila wideband i lilo i mea paʻakikī nui i ke kahua o i...Heluhelu hou aku -
Kuhi no ke koho ʻana i ka laser fiber mode hoʻokahi
No ke koho ʻana i ka laser fiber mode hoʻokahi Ma nā noi kūpono, pono ke koho ʻana i kahi laser fiber mode hoʻokahi kūpono i ke kaupaona ʻōnaehana o nā ʻāpana like ʻole e hōʻoia i kāna hana e kūlike i nā koi noi kikoʻī, ka ʻoihana hana a me nā palena kālā. ʻO kēia ...Heluhelu hou aku -
E hoʻolauna i nā laser pulsed fiber
E hoʻolauna i nā laser pulsed Fiber Pulsed lasers he mau mea laser e hoʻohana ana i nā fibers doped me nā ion honua laha ʻole (e like me ytterbium, erbium, thulium, a me nā mea ʻē aʻe) ma ke ʻano he mea waiwai. Loaʻa iā lākou kahi medium gain, kahi lua resonant optical, a me kahi puna puna. ʻO kāna ʻenehana hana pulse ka nui ...Heluhelu hou aku -
ʻO ke kumu hana a me nā ʻano nui o ka laser semiconductor
ʻO ke kumu hana a me nā ʻano nui o ka semiconductor laser Semiconductor Laser diodes, me ko lākou kiʻekiʻe kiʻekiʻe, miniaturization a me nā ʻano hawewe lōʻihi, ua hoʻohana nui ʻia e like me nā mea nui o ka ʻenehana optoelectronic i nā kula e like me ke kamaʻilio, ka mālama olakino a me ka hana ʻoihana. Ka...Heluhelu hou aku -
Introduction to RF over fiber System
Introduction to RF over fiber System RF over fiber ʻo ia kekahi o nā noi nui o ka microwave photonics a hōʻike i nā pōmaikaʻi like ʻole i nā kula kiʻekiʻe e like me ka microwave photonic radar, astronomical radio telephoto, a me ke kamaʻilio kaʻa ea ʻole. ʻO ka loulou RF ma luna o ka fiber ROF...Heluhelu hou aku -
Ua haki ka mea nānā kiʻi kiʻi hoʻokahi i ka bottleneck 80%.
Hoʻokahi-photon photodetector ua haki i ka 80% efficiency bottleneck Single-photon photodetector ua hoʻohana nui ʻia i nā kula o ka quantum photonics a me ka kiʻi kiʻi hoʻokahi ma muli o kā lākou mau pono paʻa a me nā kumu kūʻai haʻahaʻa, akā ke kū nei lākou me ka bottlene ʻenehana aʻe ...Heluhelu hou aku -
Nā mea hou i ka Microwave Communication: 40GHz Analog Link RF ma luna o ka fiber
Nā mea hou i ka Microwave Communication: 40GHz Analog Link RF ma luna o ka fiber Ma ke kahua o ka microwave communication, ua kāohi mau ʻia nā hoʻonā hoʻouna kuʻuna e nā pilikia nui ʻelua: ʻo nā kaula coaxial nui a me nā alakaʻi nalu ʻaʻole e hoʻonui wale i nā kumukūʻai hoʻolaha akā paʻa pū kekahi...Heluhelu hou aku -
E hoʻolauna i ka mea hoʻololi electro-optic phase modulator
ʻO ke akamai pololei o ka hoʻomalu ʻana i nā kukuna kukui: ʻO ka ultra-low half-wave voltage electro-optic phase modulator I ka wā e hiki mai ana, e hoʻomaka kēlā me kēia lele ʻana i ke kamaʻilio optical me ka hana hou o nā mea nui. I ka honua o ka kamaʻilio optical kiʻekiʻe a me ka noi kiʻi kiʻi pololei ...Heluhelu hou aku -
ʻAno hou o ka nanosecond pulsed laser
Hoʻohana ka Rofea nanosecond pulsed laser (pulsed light source) i kahi kaapuni kaʻa puʻupuʻu pōkole kū hoʻokahi no ka loaʻa ʻana o ka puka pulse e like me 5ns. I ka manawa like, hoʻohana ʻo ia i kahi laser paʻa loa a me kahi APC (Automatic Power Control) a me ATC (Automatic Temperature Control), e hana ai i ka ...Heluhelu hou aku -
E hoʻolauna i ke kumu kukui laser mana kiʻekiʻe hou loa
E hoʻolauna i ke kumu kukui laser kiʻekiʻe hou loa ʻEkolu mau kumu kukui laser nui e hoʻokomo i ka mana ikaika i loko o nā noi optical mana kiʻekiʻe I ke kahua o nā noi laser e ʻimi nei i ka mana loa a me ka paʻa loa, ʻo ka pauma kiʻekiʻe o ka hoʻokō a me nā hopena laser ka mea mau.Heluhelu hou aku -
Hoʻopili i nā kumu o ka hewa ʻōnaehana o nā photodetectors
ʻO nā kumu hoʻohālikelike o ka hewa ʻōnaehana o nā photodetectors He nui nā palena e pili ana i ka hewa ʻōnaehana o nā photodetectors, a ʻokoʻa nā manaʻo maoli e like me nā noi papahana like ʻole. No laila, ua hoʻomohala ʻia ka JIMU Optoelectronic Research Assistant e kōkua i ka optoele ...Heluhelu hou aku
