2" Precision Silicon Window
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Product Highlights
- High Transmittance: Transmittance exceeds 95% for optimal optical performance.
- Customizable Diameter: Available in 50.8mm or other custom diameters upon request.
- Customizable Thickness: Thickness can be adjusted to 2.0mm or other specifications.
- OEM and ODM Support: Full OEM and ODM services accepted for custom designs.
- ISO Certified Quality: Manufactured under ISO 9001 and 14001 certified standards.
- 1-Year Warranty: Comprehensive 1-year warranty covering quality defects.
- Fast Stock Delivery: In-stock items shipped within 2 days after payment.
- Low Minimum Order: Minimum order quantity starts at just 1 unit.
Product Attributes
- Customization
- Available
- After-sales Service
- Free after sales service
- Warranty
- 1 year
- Model NO.
- Silicon window
- Usage
- National defence
- Type
- Flat Lens
- Transmittance
- >95%
- Shape
- Plano
- Material
- Silicon
- Lenses Color
- Brown
- Transport Package
- Carton, Blister, Customized
- Specification
- as required
- Trademark
- CPG
- Origin
- China
- HS Code
- 9001909090
- Production Capacity
- 2000 Pieces
- Package Size
- 26.00cm * 20.00cm * 8.00cm
- Package Gross Weight
- 1.000kg
- Lead Time
-
6 days (1 - 4 Pieces)
To be negotiated ( > 4 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of 2" Precision Silicon Window
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Product Description
Windows
CPG manufactures high precision windows for demanding applications in the infrared. These windows are fabricated from a variety of materials including fused silica, Si, Ge, ZnSe, ZnS, CaF2, MgF2, Cleartran and AMTIR. Utilizing advanced fabrication and coating techniques, CPG delivers windows with tightly controlled transmitted wavefront, a high degree parallelism, minimal scatter, high laser damage resistance and outstanding durability for the most challenging environments.
Specifications
| Items | Description |
|
| Germanium Window | Material: | Silicon,monocrystal |
| Diameter: | 50.8+0.0/-0.2mm or others | |
| Thickness: | 2.0+/-0.1mm or others | |
| ROC1: | Infinity | |
| ROC2: | Infinity | |
| Flatness: | S1&S2:3/3(1)@546.1nm | |
| Surface quality: | S1&S2:5/5x0.16;L5x0.025 | |
| Parallelism: | <0.05mm | |
| Clear Aperture: | >90% | |
| Chamfer: | Protected | |
| Coating: | Uncoated | |
| Standard: | MIL-PRF-13830B | |
Inspections


Other Windows CPG handle
Why CPG
COST, PRECISION, G+ SERVICE
CPG optics has over 20 years experiences in optics industry, we provide a variety of different material fabricating and coatings, and we always aim to be a trustful supplier for all the customers.
Our in-house optical metrology capability ensures the all the requirements for the parts are within the specs:
- Zygo Interferometer
- Wyko Cylinder Interferometer
- Agilent Cary 7000 Spectrometer
- Optical Bench
- Moller-wedel Goniometer
- Taylor Hobson Profiler
- Mitutoyo Projector
- Zygo Roughness Meter
- CMM
- Stress Measuring
- Satisloh Spherometer
- Trioptics Centering
Certificates & Patents
Packaging& Shipping
Package detail:
Optics are packed with Capacitor paper, white paper, custom-made plastic containers etc
Customized safety green carton
Shipping term:

FAQ:
1. Are you a manufacturer or trader? Can I visit your factory or office?
We are a manufacturer. We have factories in Jiangsu and Zhejiang provinces.
In order to provide better and in-time services, we set up branches in US, Germany and Netherlands.
You are welcome to visit our factories and offices at any time.
2. What's your payment term?
T/T, D/P, Letter of Credit, Western Union etc.
3. What's your minimum order quantity for this item?
1 unit.
4. Could I get free samples before making an order?
Your samples fee will be refunded when you place volume order.
5. Can I get a catalog?
Of course, please contact our salesman to get a catalog.
6. What's the lead time?
15-30 days, it is up to your quantity and specification and our stock.
If in stocks, once you make the payment, your products will be sent within 2 days.
7. What's your price list and discount?
The above price is our reference price, if you would like to know more our exact and discount policy, please email us or call us directly.
8. Can you OEM or ODM?
Yes, we accept all OEM and ODM.
9. Do you give a warranty of your products?
Yes, if there is a quality problem, please kindly provide the pictures to show the problem by email.
We will rework or provide the replacements to you at our cost according to actual conditions.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR244415". Items marked "" are certified.
Company Profile
CPG optics, founded in 1990, has supplied many different kinds of optical components with high quality and favorable price, such as optical windows, optical lens, optical prisms etc. We are pleased to get your inquiry, and we will reply you as soon as possible. We stick to the principle of "quality first, service first" and apply "zero defect, zero complaints" as the quality objective.
In the meantime, we also place a prompt delivery in the priorities. Keeping continuous improvement and innovation to maximize customers' satisfaction is CPG's values. In order to provide better and in-time services, we set up branches in USA, Germany, Malaysia, and Netherlands.
CPG can handle these materials: Schott/Ohara/Hoya/CDGM glasses, Corning glasses, Heraeus glasses, II-VI ZnS, ZnSe, Germanium, Silicon, Zerodur, MgF2, CaF2, BaF2, Sapphire, Optical plastics, GaAs, KTP, BBO, LBO, YVO4, YAG, ND: YAG, ND: YVO4, BaTiO3, BGO, LiNbO3 etc.
CPG has stable purchasing channels to supply multiple materials for our customers. Every year, we will invest 20% sales amount to do R&D, such as the GGG laser crystal fabricating method, super Polish technology with unique method and domes for some high-end applications etc.
CPG feature products: Custom lens design & assembly, super Polish products, multifaceted prisms, and other high-grade custom objectives.
INSPECTATION
1. Goniometer
2. ZYGO 4 Inch Interferometer
3. TRIOPTICS Centration Measurement Instrument
4. TAYLOR HOBSON PGI1250
5. TAYLOR HOBSON LUPHO Scan
CUTTING EDGE ADVANTAGES
1. Competitive Prices
2. Short Lead Times
3. Rapid Prototyping
4. Stable Quality
5. Quality ISO: 9001-2008 Registered
6. Experienced Expert Engineering Team
Any question and requirements, please feel free to contact us
Benjamin Cui: +86 25-85652542 or +86-13382045298
About Our Factory & Business Background
- Address
- No.218 Xiaowei Ave., Xuanwu, Nanjing, Jiangsu, China
-
Plant Area
- 208 square meters
-
Number of Employees
- 52
-
Registered Capital
- 9,185,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Spherical Lens, Optical Lens, Optical Window, Optical Prism, Optical Mirror
-
Production Lines
- 6
-
Production Machines
- Flat Milling and Grinding Machine, Ring Grinding Machine, Polishing Machine, Coating Machine, Coating Cleaning Machine, Fine Carving Marking Machine, Classical Four-axis Cylinder Machine, Spherical Milling and Grinding Machine, Grinding Machine, Finishing Grinding Machine, Edge Grinding Machine
-
QA/QC inspectors
- 30 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 20 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2014-03-25
-
Export Year
- 10 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 12
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO14001
-
Cooperated with Fortune 500
- No
FAQ
- Are you a manufacturer or trader?
- We are a manufacturer with factories in Jiangsu and Zhejiang provinces, and branches in the US, Germany, and Netherlands.
- What are your payment terms?
- We accept T/T, D/P, Letter of Credit, Western Union, and PayPal.
- What is the minimum order quantity?
- The minimum order quantity is 1 unit.
- Can I get free samples before ordering?
- Sample fees are refunded when you place a volume order.
- How can I get a product catalog?
- Please contact our salesman to request a catalog.
- What is the lead time for delivery?
- Lead time is 15-30 days depending on quantity and specifications. In-stock items are shipped within 2 days.
- Do you offer discounts or a price list?
- The listed price is a reference. Please contact us directly for exact pricing and discount policies.
- Do you provide OEM or ODM services?
- Yes, we accept all OEM and ODM requests.
- What is the warranty policy?
- We provide a warranty. If there is a quality issue, please send pictures via email, and we will rework or replace the product at our cost.
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