Can I get free samples?

Sample fees will be refunded when you place a volume order.

What payment terms do you accept?

We accept T/T, D/P, Letter of Credit, Western Union, PayPal, and small-amount payments.

What is the warranty period?

We provide warranty coverage for quality problems. Please contact us with evidence of defects for rework or replacement.

4" Diameter UV Fused Silica Uncoated Optical Window

Name: 4" Diameter UV Fused Silica Uncoated Optical Window
Brand: CPG OPTICS LIMITED
SKU: 825017325

Jiangsu, ChinaCPG OPTICS LIMITED

Negotiable

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Usage

Lighting, Medical, Optical, Photography, Astronomy

Type

Large Window

Transmittance

90%-95%

Shape

Circle

Material

Optical Glass

Lenses Color

Clear

Certification

RoHS, ISO9001, CE, TUV

Customized

Coating

HMC

Transport Package

Carton, Blister, Customized

Specification

as required

Trademark

CPG

Origin

China

HS Code

9001909090

Production Capacity

1000 Pieces

Key features

High Precision Manufacturing: Tightly controlled wavefront, high parallelism, and minimal scatter for demanding optical applications.

UV Fused Silica Material: Made from Corning 7980 0F UVFS for outstanding durability and laser damage resistance.

Customization Available: Offers full customization, minor customization, and flexible options from samples or designs.

Strict Quality Control: 100% inspection including visual and function checks with Zygo interferometer verification.

Wide Application Scope: Suitable for lighting, medical, optical, photography, and astronomy fields.

Global Service Network: Manufacturers with branches in US, Germany, and Netherlands for timely service.

Low MOQ for Orders: Minimum order quantity is just 1 unit, allowing for easy trial orders.

Multiple Payment Options: Accepts T/T, D/P, Letter of Credit, Western Union, and PayPal for convenience.

Company profile

High Repeat Buyers ChoiceOverseas Agent/BranchFlexible Customization100% Finished Products Inspection

CPG OPTICS LIMITED

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company, Group Corporation CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, broad customization, ODM, OEM, and recent new-product development. Its quality infrastructure includes ISO9001:2015 and ISO14001 certificates, documented warehouse and supplier-control procedures, 30 quality-control staff, 12 test-equipment units, and 20 R&D engineers. Service evidence covers overseas installation, debugging, maintenance, repair, and training in the United States and Germany, with a stated one-month average lead time in both peak and off-season. Production equipment and customization capabilities are documented, but production capacity metrics are not provided. Financial records are referenced for 2021–2023, without sufficient evidence to assess financial strength. The supplier reports no SDK availability and no Fortune 500 collaboration, while repeat-buyer preference is stated at 80%–100%.

Supplier typeThe supplier is explicitly described as a professional technical supplier and its business scope includes Class I medical device sales and production, subject to applicable approvals. This supports classification as a specialized technical/manufacturing supplier, although the provided scope also contains regulatory qualification conditions.

CertificationsThe supplier reports ISO9001:2015 and ISO14001 certificates in both certification-related slices. These are explicit management-system certifications relevant to quality and environmental management.

After-Sales capabilityThe supplier has 20 R&D engineers whose responsibilities include technical support for production and after-sales service, documented service-capability procedures, and overseas offerings in the United States and Germany covering debugging, maintenance, repair, training, and equipment installation. A one-month average lead time is stated for both peak and off-season.

R&D capabilityThe supplier reports 20 R&D engineers, new-product development during the past year, ODM capability, 3D software design services, and engineers responsible for customer-request confirmation, new-product design, and technical support. The absence of an available SDK is a limitation for software-development integration, but does not negate the documented product and design R&D capability.

Production capacityA broad set of milling, grinding, polishing, coating, cleaning, carving, marking, cylinder-machining, spherical, and finishing equipment is listed, alongside stated Class I medical-device production scope and OEM capability. Nevertheless, no output capacity, facility size, or production-volume data is provided.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also offers 3D software design and ODM services, indicating capability across several customization and original-design modes.

Product Q&A

Q:Are you a manufacturer or trader?

We are a manufacturer with factories in Jiangsu and Zhejiang provinces. We have branches in the US, Germany, and Netherlands to provide better services.

Q:What is the minimum order quantity?

The minimum order quantity for this item is 1 unit.

Q:What is the lead time for production?

The lead time is 15-30 days, depending on quantity and specifications. If in stock, products are sent within 2 days after payment.

Q:Do you offer OEM or ODM services?

Yes, we accept all OEM and ODM orders.

Q:What is your warranty policy?

If there is a quality problem, please provide pictures via email. We will rework or provide replacements at our cost based on actual conditions.