High power grade laser mirror

1、What Metallic Coated types can Uni-Optics supply?

Uni-Optics mainly offers four coating types, including:

1) UV Enhanced Aluminum : Ravg > 85% from 250nm to 400nm

2) Protected Aluminum: Ravg > 87% from 400nm to 800nm

3) Protected Silver: Ravg > 95% from 400nm to 20um

4) Protected Gold: Ravg > 98% from 650nm to 16um

2、What are the features of Metallic coated mirror?

Metallic coated mirror have many key features below:

Wide spectral range

Not sensitive to the incidence angle and polarization state

Low cost

Non-durable

Relatively low reflectance

Low laser damage threshold

3、What UNI Optics can do for you?

Common Specifications:

Substrate Materials: N-BK7, Fused silica, Pyrex；Float glass

Dimensional tolerance: +/-0.1mm

Surface quality:  60-40

Parallelism:  3’

Flatness: λ/4 per 25mm@633nm

Bevel: Protective

One surface: Polished and Metallic coating

The other surface: Fine ground

Note: Aluminum is the most widely used metal reflection film, from near UV to near IR, have high reflectivity, and with low cost. Silver has higher reflectivity in the visible and near infrared wavelength than the aluminum film, but the silver in the air will be rapid oxidation, color darkening, makes the film performance and firmness declined rapidly. Gold film has a good consistency with high reflectivity in the near, middle and far infrared range, can control the thermal radiation effectively, but it is relatively soft, easy bruising, and should be paid very close attention to clean, and the cost is very high.

Magnesium Fluoride Windows applicable for wide range spectrum, transmits well into the VUV region at the hydrogen Lyman-alpha line and beyond and it is particularly useful for Excimer laser application.It is resistant to mechanical and thermal shock, to radiation, and is chemically stable.

For medium-wide lithium foil & separator full roll inspection, large-format backlight film & light guide plate testing, wide-size standard PCB & FPC AOI detection, large silicon wafer routine sorting, long-distance railway rail flaw inspection, medium-width cold-rolled metal strip surface testing, wide-format printing & flexible packaging quality control, large electronic ceramic substrate inspection.

· Covering a wide working distance range

· Lockable distance and aperture settings

Product information: Custom designs are available upon request.

For color sorting equipments, textile and non-woven fabric surface testing, flexible packaging & large-format printing quality checking, plastic film and paper web flaw detection, flat glass and building panel surface screening, metal strip preliminary defect inspection, lumber board sorting and agricultural material sorting.

· Developed for 30mm big frame sensor

· Excellent optical performance, uniform imaging of center and edge

Product information: Custom designs are available upon request.

For inspection of lithium battery separators and coated copper & aluminum foils, high-end printing and anti-counterfeit packaging, precision testing of PCBs and 3C electronics, and surface defect detection of metal sheets and coils.

· Developed for 64mm big frame sensor
· Low distortion
· Compatible for 2K, 4K, 8K line scan camera
· Excellent optical performance, uniform imaging of center and edge

Product information: Custom designs are available upon request.

For semiconductor wafer internal defect inspection, solar cell & glass surface testing, plastic & waste material sorting, food and agricultural non-destructive grading, pharmaceutical packaging inspection, multi-spectral laboratory imaging, high-speed industrial surface inspection, electronic police license plate capture.

· High relative illumination and high contrast

· High resolution

· Compatible with 1" and 1.1" 20MP camera

For Intelligent Transportation Systems (ITS) Applications: Road Surveillance, ANPR/ALPR, Automatic Incident Detection, Traffic Enforcement Systems, Railway/Tunnel Safety Monitoring, etc.

· Excellent edge sharpness and uniform illumination
· Designed to resist strong light interference, adaptable to complex lighting conditions
· Ultra-high resolution,accurately capture license plates and facial details

Product information: Custom designs are available upon request.

A Neutral Density filter allows a photographer to control the exposure in an image very easily. The filter stops light reaching the camera sensor, therefore allowing us to leave the camera with a higher aperture for a longer amount of time.