What materials are available for customization?

Materials can be customized according to customers' requirement, including K9, sapphire, fused Silica, and Baf2.

What is the diameter and thickness range?

Diameter ranges from 1.5-500mm and thickness ranges from 1-50mm, with tolerances of +/-0.1mm.

Is the surface polished or ground?

The two round surfaces of the stepped windows will be polished, while other surfaces are only ground.

Round Optical Sapphire Step Windows

Name: Round Optical Sapphire Step Windows
Brand: Changchun Yutai Optics Co., Ltd.
SKU: 2068277262

Jilin, ChinaChangchun Yutai Optics Co., Ltd.

US$6.78-15.76

100 Pieces

Product profile

Customization

Available

Usage

Medical, Optical, Photography

Type

Flat Lens

Transmittance

>95%

Shape

Single-lens

Material

Baf2

Lenses Color

Clear

Certification

RoHS

Customized

Coating

Ar Coating

Surface Quality

60-40

Color

Transparent

Parallelism

10 Arc Min

Thickness Range

1-50mm

Diameter

1.5-500mm

Diameter Tolerance

+/-0.1mm

Thickness

+/-0.1mm

Transport Package

Box

Specification

12.7mm

Trademark

Yutai

Origin

Changchun

HS Code

9001909090

Production Capacity

40000/Year

Key features

Customizable Dimensions: Diameter 1.5-500mm, Thickness 1-50mm, Parallelism 10 Arc Min.

High Transmittance: Optical transmittance exceeds 95% for clear performance.

Multiple Material Options: Available in Sapphire, K9, Fused Silica, and Baf2.

Specialized Coatings: Options include AR, BBR, and filter coatings.

Wide Application Scope: Ideal for medical, optical, aerospace, and deep ocean viewports.

ISO9001 Certified: Manufacturer holds ISO9001 certification for quality assurance.

Precision Polishing: Two round surfaces polished, others ground to 60-40 quality.

Flexible MOQ: MOQ is 10pcs, but can be 1pc for large dimension elements.

Company profile

Changchun Yutai Optics Co., Ltd.

Jilin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2017-02-08 CertifiedNearest Port: Dalian PortAverage Response Time: ≤0.41h CertifiedTerms of Payment: T/T, PayPal, Western Union

AI-Powered supplier vetting

SummaryChangchun Yutai Optics Co., Ltd. is a China-based limited company established in 2015, with 11 employees and more than 10 production lines. It offers a broad range of optical products and materials, including lenses, windows, mirrors, filters, prisms, wafers, coatings, beamsplitters, and IR optics. The supplier reports exports to Europe and North America, with exports representing 51%–70% of total sales and self-operated import/export rights. Production information indicates substantial stated output across several optical product categories. Its capabilities are supported by advanced milling, polishing, and inspection equipment, technology links with Changchun optical and university institutions, vertically integrated manufacturing, and platforms covering custom design through volume manufacturing. ISO9001 is referenced as a management system objective or framework, but certification holding is not explicitly confirmed. Evidence is insufficient to verify after-sales performance, financial credibility, or...

Supplier typeThe supplier is identified as Changchun Yutai Optics Co., Ltd., a Chinese limited company classified as a combined business entity and engaged in industrial equipment and components. Its stated product keywords and descriptions establish it as an optical-product manufacturer and supplier.

R&D capabilityEvidence supports technical capability through a broad range of optical materials and products, technology support from optical and university institutions, advanced milling, polishing, and inspection equipment, and multiple technology platforms. The supplier also describes a process spanning custom design, pilot production, and volume manufacturing, indicating demonstrated development infrastructure.

Production capacityThe supplier reports more than 10 production lines, stated output across lenses, filters, prisms, windows, and mirrors, vertically integrated manufacturing facilities, advanced production equipment, and stock availability for tens of thousands of lenses. These details provide explicit evidence of established production capacity and breadth.

Customization capabilityThe supplier offers specialized and varied optical products, including IR, toroidal, cylindrical, telecentric, beam-expander, and machine-vision lenses, and explicitly describes a workflow from custom design through pilot and volume manufacturing. This supports a positive assessment of customization capability.