IPL filter, abbreviation of intense pulsed light filter, is the core component for IPL machine. IPL filter is mainly designed to filter UV lights and use lights with the wavelength within filter UV for medical use, such as photo-rejuvenation, hair removal, vascular disease treatment and acne treatment. Diverse wavelengths are available, such as 550，560，570，590，615，645，695，755 and 780nm.
Technical parameters:
Material: N-BK7 Grade A optical glass, Fused silica, Sapphire crystal.
Length tolerance: +/-0.1(General), +/-0.01(High Precision)
Thickness tolerance: +/-0.2 (General), +/-0.005(High Precision)
Surface quality: 60/40
Clear aperture: >90%
Parallelism: <3 arc min. (General) , <5 arc sec.(High Precision)
Wavefront distortion: (per 25mm@633nm): λ/2 (General) , λ / 8(High Precision)
Bevel: (face width x45°):0.2～0.5mm
Available wavelength: 515 ~ 1200, 530 ~ 1200, 550 ~ 1200, 560~ 1200, 570 ~ 1200, 590 ~ 1200, 615 ~ 1200, 645 ~ 1200, 695 ~ 1200, 755 ~ 1200, 780 ~ 1200 nm
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