What surface quality options are available?

Standard surface quality is 40-20, but we also offer 60/40, 40/20, or better upon request to meet high-precision optical standards.

What coatings can be applied to the windows?

We offer various coatings including Uncoated, AR (Anti-Reflective), BBAR, HR (High Reflective), Silver, Aluminum, and Golden coatings.

N-Bk7 Uncoated Optical Windows Small Windows Optical Glass

Name: N-Bk7 Uncoated Optical Windows Small Windows Optical Glass
Brand: Jiaozuo Commercial Finewin Co., Ltd.
SKU: 752575542

Henan, ChinaJiaozuo Commercial Finewin Co., Ltd.

US$0.50

100 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

After-sales Service

After-Sale Service

Warranty

Usage

Lighting, Optical

Model NO.

FW-BK7

Type

Windows

Transmittance

>95%

Shape

Plano

Material

Optical Glass

Lenses Color

Clear

Customized

Coating

Diameter

76.2mm

Surface Quality

60-40/40-20

Coat

Clear Aperture: >90% of Diameter

>90% of Diameter

Transport Package

Electrolytic Capacitor Paper, Foam, Carton

Specification

costomized

Trademark

FineWin

Origin

China

Key features

Wide Material Selection: Available in N-BK7, Sapphire, Fused Silica, ZnS2, CaF2, Si, Ge, and more.

High Transmittance: Optical windows offer transmittance greater than 95% for superior optical performance.

Customizable Options: Diameter, Surface Quality, Coating, and Clear Aperture can be customized to specific needs.

Precise Tolerances: Size tolerance +/-0.1mm, Center Thickness +/-0.1mm, and Flatness <1/4 Lambda.

Multiple Coating Options: Supports AR, HR, Silver, Aluminum, Golden, BBAR, and Uncoated finishes.

Broad Diameter Range: Diameter ranges from 1mm to 400mm to suit various optical system requirements.

12 Months Warranty: Comprehensive 12-month warranty coverage for all purchased optical windows.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

Company profile

Jiaozuo Commercial Finewin Co., Ltd.

Henan, China

Business Type: Trading CompanyExport Year: 2013-10-01Nearest Port: Beijing, ShenZhenAverage Response Time: ≤3.35hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

About Our Factory & Business Background

AddressAutoparts Community, Jiefang District, Jiaozuo, Henan, China

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsSapphire Substrate&Silicon Substrates, Precision, Free-Standing GaN Substrates&GaN Templates, Optical Windows, Silicon Carbide Wafers, TeO2 Crystals, Prisms, Linbo3 Crystals&Litao3 Crystals, Lens, Yvo4 Crystals&Ktp Crystals

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What materials are available for these optical windows?

We offer a wide range of materials including N-BK7, H-K9L, Fused Silica, N-SF10, Silicon, CaF2, Sapphire, ZnS2, and Germanium.

Q:What is the diameter range and tolerance?

The diameter ranges from 1mm to 400mm with a standard tolerance of +/-0.1mm or +/-0.05mm depending on specific requirements.

Q:Can the optical windows be customized?

Yes, we provide customization for Diameter, Surface Quality (e.g., 60-40/40-20), Coating (e.g., AR, UV), and Clear Aperture (>90% of Diameter).

Q:What is the warranty period for these products?

We provide a 12-month warranty for our optical windows to ensure quality and customer satisfaction.

Q:What are the payment terms and lead times?

Payment methods include T/T, PayPal, Western Union, and small-amount payments. The average lead time is within 15 workdays for both peak and off-seasons.