Advanced Optical Brewster Mirrors Components Based on Brewster Law for Precision Polarization Control Ideal for Laser Systems, Optical Communications

• Customization: Available
• Warranty: 1 Year
• Material: Glass
• Model NO.: FSOM
• Shape: Flat
• Application: Medical, Labs
• Size Error: +0.0 / -0.1mm
• Beveling: 0.2mm X 45°
• Thickness Tolerance: ±0.2
• Surface Finish: 40/20
• Transport Package: Foam Carton Inner, Then Cartons to Pack Them
• Specification: Customized
• Trademark: FS
• Origin: Tianjin
• Production Capacity: 2000 Pieces/Month
• Package Size: 20.00cm * 20.00cm * 20.00cm
• Package Gross Weight: 1.000kg

Product Description

Product Description

In the field of optics, the Brewster mirror is a key optical component with unique properties. Designed based on Brewster's law—discovered in 1812 by Scottish physicist David Brewster—this principle states that when unpolarized light strikes the interface between two different media at a specific angle (known as the Brewster angle), the reflected light becomes completely linearly polarized, and the reflected and refracted rays are perpendicular to each other. The Brewster mirror cleverly exploits this phenomenon to achieve its specialized optical functions.

Specification

PRODUCT NAME	Reflective Mirror
PRODUCT SIZE	80,90MM
SURFACE PERFECTION	40-20-60-40
DIAMETER TOLERANCE	+0.0/-0.1MM
MATERIAL	QUARTZ GLASS
TRANSMITTANCE	95%
TYPE	Optical Reflector

Optical Applications‌

Structurally and functionally, a Brewster mirror typically consists of multiple alternating thin films of materials with different refractive indices. When light enters this multilayer structure at the Brewster angle, the law dictates that light with a specific polarization direction will be reflected or transmitted at each interface. By precisely engineering the thickness and refractive index of each layer, reflections of the desired polarization can be made to constructively interfere, while other polarization components undergo destructive interference. As a result, the mirror efficiently reflects light of a particular polarization while minimizing reflection for others. This selective behavior makes Brewster mirrors highly valuable in generating, controlling, and separating polarized light.

In practical applications, Brewster mirrors are widely used in laser technology. Within a laser cavity, they serve as critical components of the resonator. By positioning the mirror so that light travels at the Brewster angle during reflection, internal losses are significantly reduced, enhancing the laser's output efficiency. Moreover, due to their selective reflection of specific polarizations, these mirrors enable precise control over the laser's polarization state, meeting the requirements of various applications. For instance, in fields such as laser machining and optical metrology—where linearly polarized beams are essential—Brewster mirrors ensure high-quality polarized output.

Brewster mirrors also play a vital role in optical communications. In fiber-optic systems, maintaining control over the polarization state of signals is crucial for efficient transmission and processing. These mirrors are integrated into polarization management devices, helping to optimize signal polarization, reduce polarization-dependent losses, and improve the overall performance and stability of communication systems. Additionally, in certain optical sensing setups, Brewster mirrors assist in analyzing and measuring polarization characteristics, enabling high-precision detection of physical parameters.

Company Profile

Tianjin Fushi Optics Co., Ltd.

Tianjin Fushi Optics Co., Ltd. is a comprehensive optoelectronic enterprise integrating R&D, production, sales, and after-sales service. Since its establishment in 2012, the company has been dedicated to technological innovation and industrial application in the field of optical components, with its manufacturing base located in China's core optical industry zone. The product portfolio covers a full range of optical basic components, including lenses, prisms, mirrors, optical windows, and filters, with particular technical expertise in the design and manufacturing of diffraction gratings.  

In 2017, Fushi Optics established a professional optical laboratory in Dongli District, Tianjin, committed to integrating optical theoretical research with engineering practice. After years of technical accumulation, the laboratory has gained wide academic recognition for its research achievements in spectral analysis, precision optical processing, and other fields, forming an integrated "industry-academia-research-application" technological innovation system. It continues to provide high-performance optical solutions for the optoelectronic industry.

FAQ

Q: How can I get samples from you?

Just send us your requirements, and we will send samples accordingly. 

 

Q: How long is your delivery time? · 

Regarding inventory, it is 3 working days;

For customized one, it's about 15-25 working days, depending on exact quantity and order date. 

 

Q: Can I customize the products based on my requirements?

Yes, we can customize the material, specifications and optical coating for your optical components as per your requirements.

Q: Are you a factory? 

Yes, we are a professional manufacturer of optical components. We have more than 20 years of experience in optical cold working.

 

Q: How do you control the quality?

More than four times of quality inspection during the production process; we can provide the Quality Test Report.

Packing & Delivery

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