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LASER SYSTEM OF ULTRA-SHORT PULSES WITH APPLICATIONS IN DENTAL MEDICINE
专利权人:
UNIVERSITATEA DIN BUCURESTI
发明人:
IONITA IULIAN,IONIŢĂ IULIAN
申请号:
RO201200517
公开号:
RO129146A2
申请日:
2012.07.09
申请国别(地区):
RO
年份:
2014
代理人:
摘要:
The invention relates to a laser system of ultra-short pulses for applications in the dental medicine, useful for modernizing the stomatological clinics by using photonic techniques. According to the invention, the system consists of a laser (USPL) which generates femtosecond pulses of 150 fs, the wave length ranging between 750...850 nm, the repetition frequency ranging between 1...2000 Hz, the pulse energy ranging between 1...500 &mu J, a beam obturator (Sh), a polarization beam attenuator (A), a scanning system with two galvanic mirrors (GM) for beam scanning on the tissue surface according to a preset image introduced into the computer, mobile metallic mirrors (M1, M2) for directing the beam so as to be able to manually or automatically scan the surface, a laser diode (LD) of low power for the system optical alignment, a dichroic mirror (DM) for super-posing the paths of the two laser beams, an articulated arm (AA) for directing the beam towards the intervention location, a beam focus lens (L), a pedal switch (S) for the foot-control of the obturator, all being controlled by a computer (PC), resulting in a system generating ultra-short laser pulses which produce the bio-tissue non-linear ablation.Invenţia se referă la un sistem cu laser de pulsuri ultrascurte, pentru aplicaţii în medicina dentară, util în modernizarea clinicilor stomatologice, prin folosirea tehnicilor fotonice. Sistemul conform invenţiei este alcătuit dintr-un laser (USPL) care generează pulsuri de femtosecunde cu durata de 150 fs, lungimea de undă cuprinsă între 750...850 nm, frecvenţa de repetiţie cuprinsă între 1...2000 Hz, energia de puls cuprinsă între 1...500 m J, un obturator (Sh) de fascicul, un atenuator (A) de fascicul cu polarizare, un sistem de baleiaj cu două oglinzi galvanice (GM), pentru baleierea fasciculului pe suprafaţa ţesutului, conform unei imagini prestabilite, introdusă în calculator, oglinzi metalice (M1, M2) mobile, pentru direcţionarea fasciculului astfel încât să
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