FIELD: medical equipment.
SUBSTANCE: device for skin care based on light is designed for skin care using laser-induced optical breakdown of hair or skin tissue. A focusing system has an output focusing lens to focus an incident light beam into a focal spot in the hair or skin tissue. This lens has a central aperture.
EFFECT: this serves for the reduction in reverse reflection from the lens surface, which can cause the damage to the focusing system.
7 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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RU2627674C2 |
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|
RU2672281C2 |
