Daim ntawv thov ntawm 1470nm 2.5W Fiber Laser Diode

Lub 1470nm wavelength nyob ze ntawm lub ncov ntawm qhov nqus dej spectrum (1450-1480nm), muab qhov nqus dej ntau dua li qhov ntau dua 980nm thiab 810nm bands. Cov cuab yeej tshwj xeeb no, ua ke nrog lub zog nruab nrab 2.5W tso zis, tsim cov cuab yeej muaj zog rau cov ntawv thov uas xav tau qhov tseeb thiab kev kho mob tsawg heev.

Unlike high-power lasers (>10W) tsim los rau cov ntaub so ntswg ablation, chav kawm 2.5W ua haujlwm nyob rau hauv kev kho mob thiab zoo phais qhov rais. Nws muab lub zog txaus rau cov vaporisation zoo thiab coagulation thaum tseem muaj kev nyab xeeb rau cov qauv me me. Tsis tas li ntawd, 1470nm yog suav tias yog qhov muag tsis pom kev (kev puas tsuaj rau lub qhov muag tsis pom zoo vim qhov nqus dej muaj zog hauv cov vitreous), uas ua kom yooj yim rau kev nyab xeeb hauv qee qhov chaw lag luam thiab kev kho mob.

1. Kev Siv Khoom Siv

2. Kev siv kho mob & Biomedical

Lub 1470nm wavelength yog qhov tseem ceeb hauv kev kho mob vim tias dej yog thawj chromophore hauv cov nqaij mos. Lub zog yog absorbed nyob rau hauv ib tug ntiav txheej (0.5-2mm nkag mus rau hauv qhov tob), ua kom meej txiav, vaporisation, thiab coagulation nrog tsawg thermal puas rau hauv qab cov qauv.

2.1 Endovenous Laser Ablation (EVLA) - Tus Qauv Kub

Cov ntsiab lus kho mob: Minimally invasive treatment of varicose veins (zoo saphenous vein incompetence).

Mechanism: Lub laser fiber ntau tau muab tso rau hauv cov hlab ntsha . 1470nm lub teeb yog nqus tau zoo los ntawm cov dej hauv cov hlab ntsha thiab cov hlab ntsha phab ntsa, tsim cov npuas npuas uas ua rau endothelial puas thiab collagen shrinkage, ua rau cov hlab ntsha occlusion.

Advantage tshaj 980nm: 2.5W ntawm 1470nm ua tiav tib qhov kev kaw nrogqis zog(980nm feem ntau xav tau 10-15W), ua rau muaj qhov mob tsawg dua tom qab phais, bruising, thiab cov hlab ntsha raug mob (cov hlab ntsha saphenous nyob ze rau ntawm cov leeg kho).

Kev tswj hwm txoj cai: FDA 510 (k) tshem tawm rau endovenous occlusion.

2.2 Urology & Gynecology

Daim ntawv thov:

Holmium-laser-zoo li lithotripsy (pob zeb plua plav) nyob rau hauv ureteroscopy

En-bloc resection ntawm lub zais zis qog

Kev kho mob urinary incontinence

Endometrial ablation hauv hysteroscopy

Kev pab cuam: Cov fiber ntau (200–400µm core) dhau los ntawm txoj haujlwm ua haujlwm ntawm qhov endoscope. 1470nm ua haujlwm tau zoo hauv cov dej ntsev, tsis zoo li lwm cov wavelengths uas yuav tsum muaj cov kua dej tsis zoo.

2.3 Pob ntseg, Qhov ntswg, caj pas (ENT) & Kev Kho Hniav

ENT: Suab qaum polyp resection, turbinate txo, tonsillectomy (ib nrab).

Kev kho hniav: Periodontal pocket kho mob, tshem tawm qhov ncauj qhov ntswg (fibroma, mucocele).

Qhov zoo: Bloodless field vim ib txhij coagulation, tsawg kawg postoperative oedema, thiab txo caws pliav.

2.4 Dermatology & Plastic Surgery

Laser-assisted lipolysis (LAL): Ntawm 2.5W, haum rau lub cev zoo contouring (caj dab, jowls, axillae). Lub zog siab dua (Ntau dua lossis sib npaug ntawm 10W) ​​yog siv rau cov ntim loj; 2.5W muab qhov tseeb rau qhov muag muag.

Kho qhov txhab: Fractional kev kho mob ntawm hypertrophic thiab pob txuv nti - lub 1470nm wavelength tsim micro-ablative channel nrog ib puag ncig thermal coagulation, stimulating collagen remodelling.

Lwm yam qhia: Hidradenitis suppurativa, xanthelasma, sebaceous gland hyperplasia.

2.5 Neurosurgery & Spine (Tom ntej)

Preclinical / ntxov kho mob: Dural incision, percutaneous laser disc decompression (vaporisation ntawm herniated nucleus pulposus). Qhov tob nkag mus tiv thaiv neural ntsiab.

3. Cov ntawv thov kev lag luam & tshawb fawb

Tshaj li cov tshuaj, 1470nm 2.5W laser diode pom kev siv hauv cov khoom siv thiab kev ntsuas kev tshawb fawb.

3.1 Yas Vuam – Kis & Micro-welding

Txoj Cai: Ntau cov yas pob tshab (PMMA, PC, PET, PS) muaj cov xaim hluav taws xob tsawg ntawm 1470nm, lub ntsiab lus ntawm lub zog yog absorbed ntawm qhov chaw es tsis kis los ntawm ib feem. Txhawm rau kom meej meej welding, yuav tsum muaj txheej txheej absorber; rau qhov tseeb-rau-dub vuam, sab dub absorbs nkag.

2.5W kev siv: Micro-welding thiab hermetic sealing ntawm cov khoom me me, xws li:

MEMS ntaus ntawv encapsulation

Kev kho mob catheter balloon welding

Sensor vaj tse sealing

Nyiam interface: SMA905 nrog 105µm lossis 200µm fiber ntau rau cov cua kub zoo.

3.2 Noob Source & Pump rau Fiber Laser Systems

Raman fiber ntau laser twj: 1470nm tuaj yeem tso lub Raman nce nruab nrab kom tsim tau lub wavelengths ntev (xws li, 1.5–1.6µm).

EDFA tshwj xeeb-band kuaj: Txawm hais tias erbium amplifiers feem ntau ua haujlwm ze 1550nm, 1470nm ua haujlwm raws li lub teeb liab lossis lub twj tso kua mis hauv kev tshawb fawb kev teeb tsa.

Tsis-linear optics: Pump qhov chaw rau supercontinuum tiam (ua ke nrog photonic siv lead ua fibers) los yog optical parametric oscillation (OPO).

3.3 Spectroscopy & Sensing

TDLAS (Tunable Diode Laser Absorption Spectroscopy): 1470nm nyob rau hauv qhov nqus dej vapour, methane, thiab carbon dioxide. Lub 2.5W qhov chaw ua rau qhib-txoj kev lossis ntev-cell nrhiav kom pom cov av noo thiab tsev cog khoom gases nrog siab rhiab heev.

Medical diagnostics adjunct: Siv lub wavelength cov khoom tawg nyob rau hauv cov ntshav thiab cov ntaub so ntswg rau cov uas tsis yog-invasive glucose soj ntsuam los yog mem tes oximetry calibration kev tshawb fawb.

4. Kev sib koom ua ke & kev qhia txog kev xaiv

Txhawm rau ua tiav kev xa tawm 1470nm 2.5W laser diode, xav txog cov haujlwm hauv qab no.

4.1 Thermal Management

Heat load xam: Fais fab input ≈ 2V × 10A=20W. Nrog 25-36% efficiency, ~ 13-15W yuav tsum tau dissipated li cua sov.

Kev daws teeb meem:

TO-CAN lossis 2-pin tej pob khoom: Mount rau ntawm qhov loj yuam-cua cua sov aluminium heatsink (Ntau dua lossis sib npaug li 2℃/ W).

For continuous operation >30 vib nas this: Ua kom txias (txias) lossis dej-txias phaj pom zoo.

14-pin npauj npaim nrog kev sib koom ua ke TEC: Siv PID maub los tswj cov nti kub (xws li 25 degree) rau kev ruaj ntseg wavelength.

4.2 Tus Tsav Tsheb & Tswj Cov Cai

Tam sim no qhov chaw: Tsis tu ncua-tam sim no, tso zis ntau dua lossis sib npaug rau 12A / 3V, ripple<0.1%, fast overcurrent protection.

Pulse hom: Sawv lub sij hawm feem ntau ~ 30ns. Tsim nyog rau kev hloov pauv LiDAR lossis kev kho mob gated xa tuaj (xws li, 10-100Hz, lub voj voog ua haujlwm<20%).

Kev ruaj ntseg interlockKev tsim nyog rau kev kho mob thiab kev lag luam tshuab (IEC 60825-1 ua raws).

4.3 Fiber & Connector Xaiv

5. Cov ntsiab lus & Outlook

Key muab: Lub 1470nm 2.5W fiber ntau laser diode occupies ib tug tshwj xeeb kev ua tau zoo niche. Nwsdej absorption ncovthiablub zog nruab nrabua nws qhov chaw kho mobkub txheem rau endovenous laser ablation, thaum nws versatility txuas mus rau urology, dermatology, micro-plastic vuam, thiab roj sensing.

Yav tom ntej tiam:

Kev ua haujlwm siab dua: Leading Chinese manufacturers (e.g., Luxnet) have reached 36% wall‑plug efficiency for 1470nm chips, with a path toward >40%. Qhov no txo ​​cov thermal tswj lub nra.

Miniaturized integrated modules: Muab cov laser diode, tsav tsheb, TEC maub los, thiab fiber ntau interface rau hauv ib qho "laser engine" rau cov khoom siv kho mob lossis cov khoom siv.

Tshiab ciam teb: Consumer 3D sensing (leveraging the eye- safe nature and atmospheric window) thiab tus nqi qis biomedical instrumentation.

Cov ntaub ntawv tiv tauj:

Yog tias koj muaj lus nug, thov hu rau peb. Txawm peb cov neeg muas zaub nyob qhov twg thiab peb cov kev xav tau yog dab tsi, peb yuav ua raws li peb lub hom phiaj los muab peb cov neeg siv khoom zoo, tus nqi qis, thiab kev pabcuam zoo tshaj plaws.