Dia25.4xT5mm Uncoated Sapphire Disks Optical Window
CPG offers very high coated and uncoated end windows. we have developed a test method to guarantee the surface flatness and surface quality.
All the high accuracy windows from CPG optics were used as standard test plate or in astronomy, we are very proud to tell and provide the fabricating service for the customers.
Specification:
Items |
Description |
Sapphire disks |
Material: |
Sapphire,Random Orientation |
Diameter: |
25.4+/-0.1mm |
Thickness: |
5.0+/-0.1mm |
ROC1: |
infinity |
ROC2: |
infinity |
Flatness: |
N/A |
Surface quality: |
80-50 |
Parallelism: |
<3arcmin |
Clear Aperture: |
>90% |
Chamfer: |
0.3mmx45deg |
Coating: |
uncoated |
Standard: |
MIL-PRF-13830B |
Inspections:
About CPG Optics:

Certificates:

FAQ:
1. What's your payment term?
T/T, Letter of Credit, Paypal, Western Union, etc.
2. What's your minimum order quantity?
1 unit.
3. Could you send free samples?
Your samples fee will be returned when you plack bulk order.
4.What's the delivery time?
15-30 days, it is up to your quantity and soecification and our stock. If in stocks, once you make the payment, your products will be sent within 2 days.
5. 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 contact us directly
6.Can you OEM or ODM?
Yes, we accept all OEM and ODM.