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Samenvatting licht en laser
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Samenvatting hoorcollege licht en laser inclusief plaatjes
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Hoorcollege Licht & laserLASER
Light
Amplification by
Stimulated
Emission of
Raddiation
-> Lichtversterking door gestimuleerde uitzending van straling
IPL
Intense
Pulsed
Light
-> intensief gepulseerd licht
Verschil LASER en IPL
Laser
1 golflengte, 1 kleur
Straal zelfde richting
Parallel
IPL
Verschillende golflengtes (390 nm – 1400 nm,
filters)
o Lichtere Huidtypes: 1 t/m 3
Verschillende richtingen
Uiteenlopend
Vaktaal:
Laser
Monochromatisch (1 soort golflengte)
Coherent (straal in dezelfde richting)
Gecollimeerd (evenwijdig/parallel)
IPL
Polychromatisch (meerdere golflengtes, meerdere kleuren)
Incoherent (verschillende richtingen)
Divergent (uiteenlopend)
, Wat je kunt behandelen met licht en laser (behandel indicaties):
(Hyper)pigmentaties
Littekens
Ontharen
Vaatjes (tele’s)
Rimpels
Acne
- een medium is verantwoordelijk wat voor laser eruit kan komen
-> vaste stof, halfgeleider, vloeistof
Golflengte wordt bepaald door het laser medium
Bepaalt de soort laserstraal
Uitgedrukt in nanometers (nm)
Meest gebruikte zijn infrarood of zichtbaar licht
Golflengte bepaalt:
Absorptie eigenschappen
Indringdiepte
De kleur
Vanaf 1100 nm vindt absorptie in water plaats -> oppervlakkiger
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