
What are High Precision Optical Windows?
High Precision Optical Windows are optical components used in various optical instruments to isolate different physical environments and only allow light to pass through.
Applications of High Precision Optical Windows:
Oplens provides custom and off-the-shelf precision polished optical windows for the aerospace industry, commercial avionics, scientific and medical instrumentation, academic and research, and industrial applications.
Material | BK7 and Fused silica typically, Visible optical glass,Infrared optical glass, Colored glass. | |||
Tolerances | Low precision | Standard precision | High precision | |
Glass Quality | nd | ±0.001 | ±0.0005 | ±0.0001 |
vd | ±0.8% | ±0.3% | ±0.1% | |
Dimension Tolerance(mm) | ±0.20 | ±0.10 | 0.01/-0.01 | |
Thickness Tolerance(mm) | ±0.20 | ±0.1 | ±0.005 | |
Scratch-Dig | V(80-50) | IV(60-40) | II(20-10) | |
Wave front Distortion 632.8nm | λ per 25mm | λ /4per 25mm | λ /20 per 25mm | |
Clear Aperture | 80% | 90% | 100% | |
Parallelism (arc min) | 3-5 minutes | 1 minutes | <1 second | |
Bevel | 0.3±0.20mm×45° or upon requirement | |||
Coating | Coating may be available by custom order |




The Shape of High Precision Optical Windows
Oplens can use laser machining capabilities to manufacture high precision optical windows in a variety of shapes and sizes to meet your specific needs.
The following shapes of optical windows are available:
1. Square
2. Quarter Wave Windows
3. Rectangular Windows
4. Elliptical Windows




A: Yes, We accept sample orders, and we're also willing to send you free sample to test and check its quality . if we don't have the item in stock , then you could place an sample order.
Q2: How many days can i get my package after placing order?
A: If the order needs customized also the quantity is big. it will take around 10-30 wroking days to produce then shipping.
Q3: OEM services available?
A: Sure, please send us your design paper on platform to confirm more details information.
Q4:We have a commercial project,Can you help me offer an optical design solution ?
A:Yes, we have professional experts who are engaged in optical design for many years , please send us more detail of your project,we will supply our most suitable solutions for you.
Q5: What shipping methods do you have?
A: For small quanities or sample could by express such as: Fedex, UPS, DHL, EMS, etc. Large scale quantity in your demands:by sea/train ,or by air.In your requests.