Ghọta ogologo wavelengths nke 850nm, 1310nm na 1550nm na eriri anya.

Ghọta ogologo wavelengths nke 850nm, 1310nm na 1550nm na eriri anya.

A na-akọwa ìhè site n'ogologo ogologo ya, na na fiber optic Communications , ìhè eji eme ihe dị na mpaghara infrared, ebe ọkụ ọkụ dị ogologo karịa nke ìhè a na-ahụ anya.Na ngwa anya eriri nkwurịta okwu, ahụkarị wavelength bụ 800 ka 1600nm, na a na-ejikarị wavelengths bụ 850nm, 1310nm na 1550nm.

Isi iyi onyonyo:

Mgbe fluxlight na-ahọrọ ogologo nfefe nnyefe, ọ na-echekarị mfu fiber na ịgbasa.Ebumnuche bụ ịnyefe data kachasị na obere mfu fiber kacha ogologo.Ọnwụ nke ike mgbaàmà n'oge nnyefe bụ attenuation.The attenuation metụtara ogologo nke waveform, ogologo nke waveform, nke nta attenuation.Ìhè a na-eji na eriri ahụ nwere ogologo ogologo ogologo na 850, 1310, 1550nm, n'ihi ya, attenuation nke eriri ahụ dị ntakịrị, nke na-ebutekwa ụkọ fiber.Na ogologo wavelength atọ a nwere ihe fọrọ nke nta ka ọ bụrụ nnabata efu, nke kachasị mma maka nnyefe na eriri anya dị ka isi mmalite ọkụ dị.

Isi iyi onyonyo:

Na ngwa anya eriri nkwurịta okwu, ngwa anya eriri nwere ike kewaa otu-mode na multi-mode.Mpaghara ebili mmiri nke 850nm na-abụkarị usoro nkwurịta okwu fiber optical optical, 1550nm bụ otu-mode, na 1310nm nwere ụdị abụọ nke otu-mode na multi-mode.N'izo aka ITU-T, a na-atụ aro attenuation nke 1310nm ka ọ bụrụ ≤0.4dB / km, na attenuation nke 1550nm bụ ≤0.3dB / km.Na ọnwụ na 850nm bụ 2.5dB/km.Ọnwụ fiber na-agbadakarị ka ogologo wavele na-abawanye.Ogologo ogologo nke 1550 nm gburugburu C-band (1525-1565nm) bụ nke a na-akpọkarị windo efu efu, nke pụtara na attenuation nke quartz fiber bụ nke kacha nta na nke a wavelength.

Beijing Rofea Optoelectronics Co., Ltd. dị na "Silicon Valley" nke China - Beijing Zhongguancun, bụ ụlọ ọrụ teknụzụ dị elu nke raara onwe ya nye na-ejere ụlọ ọrụ nyocha ụlọ na nke mba ọzọ ozi, ụlọ ọrụ nyocha, mahadum na ndị ọrụ nyocha sayensị.Ụlọ ọrụ anyị na-etinyekarị aka na nyocha na mmepe onwe onye, ​​​​ichepụta, nrụpụta, ire ngwaahịa optoelectronic, ma na-enye ngwọta ọhụrụ na ọkachamara, ọrụ ahaziri iche maka ndị nchọpụta sayensị na ndị injinia mmepụta ihe.Mgbe ọtụtụ afọ nke ihe ọhụrụ nke onwe ya gasịrị, ọ etolitela ọgaranya na nke zuru oke nke ngwaahịa fotoelectric, nke a na-ejikarị eme ihe na obodo, ndị agha, ụgbọ njem, ike eletrik, ego, agụmakwụkwọ, ahụike na ụlọ ọrụ ndị ọzọ.