OEM Dia 25.4mm Single Crystal Ge optical lens

Basic Information
Place of Origin: China
Brand Name: zmkj
Model Number: dia25.4*3mmt
Minimum Order Quantity: 10pcs
Price: by case
Packaging Details: single wafer container or customzied container box under cleaning room
Delivery Time: 2-4weeks
Payment Terms: T/T, Western Union
Supply Ability: 1000pcs/month
Material: Ge Single Crystal Ge Window Application: Infrared Optics Elements
Type: Un-doped Resistivity: >30Ω
Orientation: <100> SIZE: DIA25.4*3.0mmt
Surface: Double Side Polished OEM: Ok
High Light:

Single Crystal Gallium Nitride Wafer


Dia 25.4mm Gallium Nitride Wafer


OEM Gallium Nitride Wafer

dia25.4mm Ge windows Single Crystal Germanium Ge Wafer for Semiconductor device


Product Description

ZMKJ  is a worldwide supplier of single crystal  Germanium lens and single crystal Ge ingot , we have a strong advantage in providing single crystal wafer to micro-electronics and opto-electronics industry in diameter range from 2 inch to 6inch .

Ge wafer is an elemental and popular semiconductor material , due to its excellent crystallographic properties and unique electric properties , Ge wafer is widly used in Sensor , Solar cell and Infrared optics applications .

We can provide low dislocation and epi ready Ge wafers to meet your unique requirement. Ge wafer is produced as per semiconductor,with a good quality control system ,  ZMKJ Is dedicated to providing clean and high quality Ge wafer products .

we can offers both electronics grade and IR grade Ge wafer , please contact us for more Ge product information.


In the range of 2-12 μm, germanium is the most commonly used material for the production of spherical lenses and windows for high efficiency infrared in imaging system. Germanium has a high refractive index (about 4.0 through 2-14μm band), usually do not need to be modified due to its low chromatic aberration in low power imaging systems.


Dimension tolerance
+/-0.1mm or +/-0.02mm
Surface quality (scratch & dig)
60/40, 40/20 or better
Clear aperture
>85%, >90%
Surface accuracy
L/10 L/2 L
+/-3' ,+/-30''
0.1~0.3mm x 45 degree
AR, BBAR or Custom

OEM Dia 25.4mm Single Crystal Ge optical lens 0

OEM Dia 25.4mm Single Crystal Ge optical lens 1

OEM Dia 25.4mm Single Crystal Ge optical lens 2

OEM Dia 25.4mm Single Crystal Ge optical lens 3OEM Dia 25.4mm Single Crystal Ge optical lens 4

OEM Dia 25.4mm Single Crystal Ge optical lens 5

OEM Dia 25.4mm Single Crystal Ge optical lens 6

OEM Dia 25.4mm Single Crystal Ge optical lens 7

Q: Do you provide samples? Is it free or charged?
· We'd like to supply samples for free if we have it in stock, but we don't pay freight.
Q: How long is your delivery time?
· Regarding inventory, it is 3 working days;
· For customized one, it's about 15-25 working days, depended on exact quantity and order date.
Q: Is it possible to customize special lens?
· Yes, to customize special optical element and coating are available here.
Q: How to pay?
· T/T, Alibaba online assurance payment, MoneyGram, West Union, Paypal and so on.
Q: How to ensure the safety of payment?
· ZMKJ is a reliable supplier , reputation and quality is life of our company, and we support Alibaba Trade Assurance.
Q: How do you ship goods?
· Low value sample: EUB, E Express of China Post, which is cheap;
· Light weight parcel: DHL, FedEx, TNT, UPS, EMS, SF Express, China Post;
· Heavy cargo: by air or by sea, ship on pallet.
Our company enjoy a considerable discount owing to long-term cooperation with courier company.

Contact Details

Phone Number : +8615801942596

WhatsApp : +8615801942596