What materials are used for the windows?

The windows are made of Germanium with low dispersion.

What testing equipment is used for quality control?

We use ZYGO, Stereo interferometer, and Horizontal interferometer.

D100mm/150mm Large Germanium Windows with Dlc&Ar Coating for Outdoor Thermal Imaging

Name: D100mm/150mm Large Germanium Windows with Dlc&Ar Coating for Outdoor Thermal Imaging
Brand: Changchun Yutai Optics Co., Ltd.
SKU: 789206482

Jilin, ChinaChangchun Yutai Optics Co., Ltd.

US$568.00

10-99 Pieces

US$488.00

100+ Pieces

Product profile

Customization

Available

Usage

Optical

Type

Flat Lens

Model NO.

yt485

Transmittance

90%-95%

Shape

as Picture

Material

Germanium Lens

Lenses Color

as Picture

Certification

RoHS, CE

Customized

Coating

Diameter

Customized

Diameter Tolerance

+/-0.01mm

Thickness Tolerance

+/-0.01mm

Surface Quality

60/40,40/20 or Better

Clear Aperture

90%

Dimension

Customized

Coated

Dlc-Ar

Surface

Polished

Wavelengtj

3-5um

Transport Package

Safety Green Carton

Origin

Changchun

HS Code

9001909090

Production Capacity

20000/Year

Key features

Customized Dimensions: Diameter and thickness are fully customizable to meet specific needs.

High Precision Tolerance: Diameter and thickness tolerance controlled at +/-0.01mm.

Superior Surface Quality: Surface quality options include 60/40, 40/20 or better.

Germanium Material: Low dispersion Germanium lens ideal for imaging and CO2 lasers.

ISO9001 Certified: Manufacturer holds ISO9001 certification for quality assurance.

Fast Delivery: Standard delivery within 30 days depending on quantity.

Comprehensive QC: Double-check inspection with ZYGO and interferometer testing.

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: ≤0.43h 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.