Bandpass Filter, Colored Glass, 50.8 x 50.8 mm, Blue Bandpass, BG38 Glass

Colored Glass Blue Absorptive Bandpass Filters

The FSQ-BG38 Colored Glass Bandpass Filter is a 50.8 x 50.8 mm square, blue bandpass optical filter made of Schott BG38 filter glass. These bandpass optical filters are precision polished for demanding research or OEM applications.

Specifications

Technical Specs

Type
Colored Glass Bandpass Filter
Material
Schott BG38 or equivalent
Center Wavelength
470 nm
FWHM
271 nm
Angle of Incidence
0°
Size
50.8 x 50.8 mm
Size Tolerance
±0.3 mm
Thickness
2.0 to 3.0 mm, typical
Surface Flatness
≤4λ at 632.8 nm over the clear aperture

Surface Quality
60-40 scratch-dig
Damage Threshold
30 W/cm² CW, typical
Wedge
≤3 arc min
Clear Aperture
central ≥ 80% of area
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Type
Colored Glass Bandpass Filter
Material
Schott BG38 or equivalent
Center Wavelength
470 nm
FWHM
271 nm
Angle of Incidence
0°
Size
50.8 x 50.8 mm
Size Tolerance
±0.3 mm
Thickness
2.0 to 3.0 mm, typical
Surface Flatness
≤4λ at 632.8 nm over the clear aperture

Surface Quality
60-40 scratch-dig
Damage Threshold
30 W/cm² CW, typical
Wedge
≤3 arc min
Clear Aperture
central ≥ 80% of area
Chamfers
Up to 1 mm face width
Chamfers Angle Tolerance
45° ±15°
Cleaning
See How to Clean Optics

Resources & Downloads

2D Product Drawings

COLOREDG-S(61 kB, PDF)

Other

FSQ-BG38 RoHS Certificate(702.4 kB, PDF)

Related Products

Compatible

	Compare	Description	Compatibility	Drawings, CAD & Specs	Avail.	Price
		FH-2SOptical Filter Holder, Drop-in, 50.8 mm Optics	UNIVERSAL		In Stock FREE 2-day shipping on thousands of products on Newport.com Learn More	$105

Need help?

Contact an Applications Specialist by sending us an email