Customized Optical Transmission Square Gratings for Vision Optometer

• Customization: Available
• Usage: Lighting, Medical, Optical, Photography
• Type: Spherical Optical Lenses
• Model NO.: TT Grating-23
• Transmittance: >95%
• Shape: Single-lens
• Material: Optical Glass
• Lenses Color: Clear
• Certification: ISO9001
• Customized: Customized
• Coating: HMC
• Min: 1 Unit
• Payment Term: L/C, T/T, D/P, Western Union, Paypal, Money Gram
• Thickness: as Required
• Surface Quality: 40-20 or Better
• Bevel: Protective Bevel as Needed Products Learn More
• Diameter Tolerance: +0/-0.01 or as Required
• Transport Package: Carton, Blister, Customized
• Specification: As required
• Trademark: TT
• Origin: Tianjin
• HS Code: 9001909090
• Production Capacity: 4000pieces/Month

Product Description

Customized Optical Transmission Square Gratings for Vision Optometer

Diffraction gratings
Diffraction gratings are used to separate light into component wavelengths, are offered in both transmission and reflective varieties for use from the UV to the MIR. Our diffraction grating selection includes ruled (blazed), volume phase holographic, holographic, echelle, and a grating modulator. 

Echelle Grating
Features

• Low Period Reflective Gratings for Use in Higher Orders
• Ideal for High Resolution Spectroscopy
• Typical Resolutions are 80% to 90% of Theoretical
• Bare Aluminum Reflective Coating
• Substrate: Float Glass or Pyrex

High-Resolution Echelle Gratings are special low period reflective gratings designed for use in the high orders.

Common Specifications
Substrate	Float Glass or Pyrex
Thickness (Typical)	9.5 mm
Dimensional Tolerance	±0.5 mm
Thickness Tolerance	±0.5 mm
Damage Threshold	Pulsed: 350 mJ/cm2 @ 200 ns (10.6 µm) CW: 40 W/cm2 (10.6 µm)

 

Selection Guide
Transmission Gratings
Ruled	UV
	Visible
	Near IR
Volume Phase	Visible
Holographic	Near IR
Reflective Gratings
Ruled	UV
	Visible
	Near IR
	Mid IR

Manufacturing accuracy of lenses or according to customer's need

Inspections

Application field

Factory:
Tianjin Tengteng Optoelectronic Technology Co., Ltd. was established in 1995, focused on production, research and sales of precision optics. We have professional engineers to research and develop, and design all kinds of lens.




Other Lenses Handle
Optical Lens Design
Lens assembly and debugging


Packaging& Shipping
Package detail:
Inside Packing: Special protective packing for optical products
Outside Packing: Carton
Packing can be made according to customer's need


Payment Term:
T/T,Western Union,Paypal,L/C

Customer Question & Answer
1. Are you a manufacturer or trader? Can I visit your factory or office? How to see your factory on line?
We are a manufacturer in Tianjin, China.You are welcome to visit our factories and offices at any time.We have a video to show you our factory in detail.

2.What's your minimum order quantity?
1 unit.

3.What's your payment term?
T/T,Letter of Credit, Western Union etc.

4.Could I get free samples before making an order?
Your samples fee will be refunded when you place a large order.

5.Do you have professional person to design according to my requirement?
Of course, we have R&D department to work with you and provide you the best service until you will be satisfactory.

6. What's the lead time?
It is up to your quantity and specification and our stock.
Your products will be sent within 2 days once you make payment for the stock products.

7. Do you have enough stock?
Sure. We have enough stock because our factory is in this area for over 20 years.You can contact our salesperson to get stock at any time.

8. Can you accept 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, you can contact us by email or skype or whatsapp, we can give you the solution in time. We will rework or provide the replacements to you at our cost according to actual conditions.