Import Brewster Window — Buy in wholesale FOB from Supplier in China
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Brewster Window
This Brewster window leverages the total reflection property of optical materials to minimize reflection losses for P-polarized light at Brewster’s angle, while partially reflecting the S-polarized component. The window is available in UV-fused quartz for UV applications, BK7 optical glass for visible spectra, and N-BK7 for cost-sensitive laser applications. Each material is selected for its thermal stability, transparency, and suitability for high-power laser systems.
The precision-grade windows achieve a surface flatness of 1/10 lambda and surface quality of 10-5 or 20-10, ensuring minimal wavefront distortion for transmitted beams. Diameters range from 10 mm to 127 mm, with a diameter tolerance of ±0.02 mm, making them suitable for demanding optical setups in lasers, spectroscopy, and industrial systems. These specifications are typical for high-precision optical components where beam quality is critical.
Brewster windows are widely used in laser cavities, beam steering applications, and optical instruments requiring polarization control. Buyers in industries such as medical lasers, semiconductor manufacturing, and research labs prioritize thermal stability and low absorption. The modular design allows integration into custom optical assemblies, with options for larger sizes up to 600 mm available upon request.
| Material Options | JGS1 (UV-fused quartz), BK7, N-BK7 |
| Diameter Range | 10 mm to 127 mm |
| Diameter Tolerance | +/- 0.02 mm |
| Surface Quality | 10-5 or 20-10 (scratch-dig) |
| Surface Flatness | 1/10 lambda |
| Parallelism | Standard for precision optical windows |
| Typical Brewster Angle for BK7 | 56.6 degrees at 587.6 nm |
| Typical Brewster Angle for Fused Silica | 55.6 degrees at 587.6 nm |
| Thermal Stability | High (suitable for high-power lasers) |
| Manufacturing Capability | Up to 600 mm diameter with 24-inch Zygo flatness reports |
Changchun Sunday Optoelectronics Co., Ltd is located in Changchun, Jilin Province, at No. 9576 Donghuan Road. The company specializes in the design and fabrication of precision optical components, including windows, lenses, and mirrors, for applications in lasers, imaging, and industrial optics. Its manufacturing capabilities include four-axis polishing machines and large-size ring polishing machines to achieve high-precision finishes.
The supplier operates within the 'harbor' trust tier, confirming its physical presence in Changchun. While the response rate is currently listed as 0.00, the company’s focus on advanced polishing equipment and metrology tools, such as Zygo interferometers, suggests a strong technical foundation for producing quality optical components. Buyers may need to contact the supplier directly for detailed specifications or custom requests.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | <4h |
| Response Rate | New Supplier |
Sourcing Brewster Window from Changchun Sunday Optoelectronics Co., Ltd - China Import Guide
Before ordering, buyers should verify the material’s suitability for their specific wavelength range, as UV-fused quartz and BK7 have different transmission properties. Confirm whether the supplier provides certificates of conformance or third-party test reports for surface quality and flatness, as these are critical for high-precision applications.
Logistics considerations include the window’s fragility, which may require specialized packaging and handling to prevent damage during transit. Lead times for custom diameters or materials should be confirmed, as larger sizes or exotic materials may extend production. Incoterms such as FOB Changchun or DDP destination should be clarified to determine shipping responsibilities and costs.
Quality checks should include visual inspection for surface defects, interferometric testing for flatness, and spectral transmission tests to ensure the window meets the required optical specifications. Buyers may also request documentation such as material datasheets and polishing process details. For laser applications, thermal stability tests under high-power conditions are recommended to validate performance.
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26 suppliersBuy Brewster Window in Bulk — Verified Supplier in China
When sourcing Brewster Window for your business, securing the right balance of quality and cost is essential. Changchun Sunday Optoelectronics Co., Ltd, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $19/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Optical Brightening Agent sector with strong demand from importing countries worldwide.
Brewster Window Specifications, Trade Terms & Pricing
Importing Brewster Window requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changchun Sunday Optoelectronics Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading online B2B marketplace designed to make cross-border trade secure and efficient.
About Changchun Sunday Optoelectronics Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Brewster Window has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Optical Brightening Agent category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Brewster Window — Shipping, Logistics & Customs
Importing Brewster Window requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Brewster Window
What is the wholesale price of Brewster Window?
The current listed wholesale price for Brewster Window from Changchun Sunday Optoelectronics Co., Ltd is $19/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Changchun Sunday Optoelectronics Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Brewster Window?
The supplier, Changchun Sunday Optoelectronics Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Brewster Window. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Brewster Window?
The HS Code classification for Brewster Window depends on the specific grade and form. Contact Changchun Sunday Optoelectronics Co., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Brewster Window from China?
To import Brewster Window from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Sunday Optoelectronics Co., Ltd. Ensure you have the necessary import licenses for Optical Brightening Agent products in your destination country.
Is Changchun Sunday Optoelectronics Co., Ltd a verified supplier?
Yes, Changchun Sunday Optoelectronics Co., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Brewster Window?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Changchun Sunday Optoelectronics Co., Ltd through EximNext.
What packaging options are available for bulk orders of Brewster Window?
Changchun Sunday Optoelectronics Co., Ltd offers Brewster Window with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Brewster Window the most?
Brewster Window is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changchun Sunday Optoelectronics Co., Ltd through our platform.
What certifications does this Brewster Window supplier hold?
Changchun Sunday Optoelectronics Co., Ltd maintains international quality certifications. These ensure that the Brewster Window meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Brewster Window on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changchun Sunday Optoelectronics Co., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Changchun Sunday Optoelectronics Co., Ltd.
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