The windows details is as follows:
Materila:N-BK7(H-K9L)
Diameter:84m
Dia tolerance:+0/-0.1mm
Thickness5mm
Thickness tolerance:+/-0.1mm
Surface accuracy:L/4
Parallelism:10'
Surface quality:60/40
Cating: R<0.3% @1550±40nm
（We also support other customizations, such as optical lenses, mirrors, windows, etc.
If necessary, please feel free to contact us.）
Company Information
Customized product
Production equipment
Inspection equipment
Payment：We only accept payments from PayPal and all major credit cards accepted by Paypal.If you do not pay in time, we cannot guarantee that we will always keep your reset items.For payment issues, please contact us first.
Transport： Our minimum standard express service, the period is20-30 days. You can also choose commercial express, such as TNT, DHL, Federal, EMS, the time limit is 5-7 days.Package：
-Well-protected safety packaging kit, suitable for long-distance transportation.
Inside-blister bag/kraft paper/acrylic box or according to customer requirments.
ØComputer-standard export carton or according to customer requirements.
About Us：We are a professional manufacturer of optical components, such as lenses, windows, spherical lenses, filters, and cylindrical lenses.If you need something else, please leave a message. Welcome to send me an inquiry, we will provide you with the most favorable price and high-quality service.
Payment：
We only accept payments from PayPal and all major credit cards accepted by Paypal.
If you do not pay in time, we cannot guarantee that we will always keep your reset items.
For payment issues, please contact us first.
Transport：
Our minimum standard express service, the period is20-30 days.
You can also choose commercial express, such as TNT, DHL, Federal, EMS, the time limit is 5-7 days.
Package：
-Well-protected safety packaging kit, suitable for long-distance transportation.
Inside-blister bag/kraft paper/acrylic box or according to customer requirments.
ØComputer-standard export carton or according to customer requirements.
About Us：
We are a professional manufacturer of optical components, such as lenses, windows, spherical lenses, filters, and cylindrical lenses.
If you need something else, please leave a message.
Welcome to send me an inquiry, we will provide you with the most favorable price and high-quality service.
