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FGUV11-UV Dia. 25 mm UG11 Colored Glass Filter; AR Coated 245-400nm

FGUV11-UV Dia. 25 mm UG11 Colored Glass Filter; AR Coated 245-400nm

Type
Filter
Subtype
Color Glass
Brand
Thorlabs
Product webpage
Thorlabs products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
400 nm
Cut On Frequency
245 nm

Material

Name
N-BK7
Dispersion Equation
Sellmeier
n (λ)
1.5167817367777034
λ
588 nm
B1
1.03961212
C1
0.00600069867 μm2
B2
0.231792344
C2
0.0200179144 μm2
B3
1.01046945
C3
103.560653 μm2

FGUV11-UV Dia. 25 mm UG11 Colored Glass Filter; AR Coated 245-400nm

The FGUV11-UV is a color glass filter, manufactured by Thorlabs, with a catalog number FGUV11-UV. This filter is designed with a circular shape, featuring a diameter of 25 mm and a thickness of 2 mm. The filter's primary material is n-bk7 schott, a well-known optical glass.

The FGUV11-UV filter is specifically designed for use in the ultraviolet region of the spectrum, with a cut-on wavelength of 245 nm and a cut-off wavelength of 400 nm. This makes it ideal for applications that require the removal or isolation of UV light.

The filter is coated on both the front and back surfaces with an anti-reflection (AR) coating, identified as tho fguv11-uv. This coating is designed to reduce surface reflections, thereby improving transmission and minimizing back reflections. The AR coating is effective over a wide range of wavelengths, from 245 nm to 400 nm.

The filter's shape is classified as a thin lens, suggesting that it may have some degree of lens-like behavior, although this is not explicitly stated in the provided data. However, it is clear that this filter is designed to provide high-quality optical performance in the UV region of the spectrum.

The filter is currently in stock and can be purchased directly from Thorlabs via the provided weblink. The link has been verified and is valid at the time of writing.

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