N-Bk7 Parallel Window

Product Item : RT20220416001#
Category：
Substrate: Schott N-Bk7 Glass
Coating: Broadband Coating
Surface Quality: 10-5 Scratch-Dig or Custom Manufacturing
Surface Flatness: Lambda/20 at 632.8nm or Custom Manufacturing
Product description：N-Bk7 Parallel Window/N-Bk7 Optical Windows/Parallel Optical Windows/Schott B-Bk7 Lens
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General Introduction: The laser level optical window has excellent parallelism of < 30 arc seconds, which can minimize the transmission beam offset. Both sides of the window have broadband antireflection coatings, which can be used for visible or infrared applications.
N-bk7 is an excellent lens material for most visible and near infrared applications. It is the most common borosilicate optical glass, which can provide excellent performance and moderate price. N-bk7 is a good choice for transmission optics because of its high uniformity, less bubbles, low impurities and easy fabrication.

Products Name: N-BK7 Parallel Window
Alias: N-BK7 Parallel Window, N-BK7 windows, N-Bk7 optical window, Parallel N-BK7 window, Parallel N-Bk7 optical window, N-bk7 laser window, N-BK7 optical windows, N-BK7 optics windows,etc

Lens Substrates:

N-BK7

Optional I:	N-BK7 from CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,ETC
Optional II:	Equivalent N-BK7 Made in China, C-laser own brands

Main Optical Tech Specification:

Lens Shape	Optical Parallel Window	Surface Accuracy Irregularity	-
Lens Material	N-BK7	Diameter Tolerance	+0/-0.15 mm
Antireflection Coating	Broadband coating	Chamfers	12.7 & 25.4 mm: 0.25-0.75 mm face width 50.8 mm: 0.38-1.14 mm face width
Coating Type	245nm to 1550nm	Chamfers Angle/Tolerance	45° ±15°
Damage Threshold	7.5 J/cm2, 10 ns pulses, 20 Hz for coated models	Transmitted Beam Deviation	±30 arc sec
Thickness Tolerance	±0.25 mm	Wedge	≤30 arc sec
Surface Quality	10-5 scratch-dig	Clear Aperture	Central 85% of diameter
Surface Flatness	λ/20 at 632.8nm	OEM/ODM	Accepted

Main Cooperation Materials Manufacturers:
CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC

Main Export Countries & Areas:
Usa, Uk, Japan, Germany, Spain, France, Swiss, Korea, Russia, Pakistan, India, Portugal, Canada, New Zealand, Australia, Saudi Arab, Turkey, Finland, Poland ,etc.

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N-Bk7 Parallel Window

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