Concave Mirror
Concave Mirrors are precision optical mirrors with a curved reflective surface designed to focus or collect light. By controlling the curvature radius and focal length, they provide accurate beam focusing and imaging performance. Chenyu Optics manufactures concave mirrors in BK7, fused silica and low expansion glass with custom curvature and coating options.
Concave Mirror Overview
Concave Mirrors are precision optical mirrors with a curved reflective surface designed to focus or collect light. By controlling the curvature radius and focal length, they can provide accurate beam focusing and imaging performance.
With excellent surface accuracy, low wavefront distortion and precise curvature control, concave mirrors are widely used in laser systems, telescopes, spectroscopy instruments and optical imaging systems requiring high reflectivity and precise optical focusing.
Chenyu Optics supports custom concave mirror manufacturing according to customer drawings, including custom substrate material, curvature radius, focal length, dimensions and coating selection for prototype and repeat production.
Key Advantages of Concave Mirror
Laser Focusing & Telescope Systems
Concave mirrors are widely used for precise light focusing in laser focusing systems, telescope primary mirrors and astronomical optical instruments.
Typical Specifications of Concave Mirror
| Material Options | BK7, Fused Silica, Low Expansion Glass |
|---|---|
| Optical Function | Light focusing / Beam collection |
| Surface Shape | Concave spherical or customized curvature |
| Reflectivity | High reflectivity according to coating |
| Surface Accuracy | Up to λ/10 @ 633 nm |
| Surface Quality | 20-10, 40-20 scratch-dig |
| Curvature Accuracy | Precision controlled |
| Dimensions | Custom diameters and shapes available |
| Edge Treatment | Ground, chamfered or polished |
| Coating Options | Protected aluminum, protected silver, dielectric mirror coating, custom wavelength coating |
REFLECTANCE CURVE (TYPICAL, BY COATING)
Why Choose Chenyu Optics for Concave Mirror
Chenyu Optics focuses on drawing-based precision mirror manufacturing for laser, imaging, telescope and industrial optical systems. We support prototype verification, small-batch production and repeat manufacturing for non-standard concave mirrors.
Manufacturing Capability for Concave Mirror
Precision Curvature Processing
Controlled curvature generation and polishing for surface accuracy, surface quality and precise focal length control.
Reflective Coating
Protected aluminum, protected silver and dielectric mirror coatings selected according to wavelength and power requirements.
Inspection & Packaging
Curvature and focal length verification, dimensional inspection, optical performance checking and clean protective packaging before shipment.
Custom Manufacturing Options for Concave Mirror
Curvature & Focal Length
Curvature radius and focal length can be customized according to system layout, working distance and imaging requirements.
Dimensions & Surface Quality
Custom diameter, center thickness, edge thickness, surface accuracy and surface quality can be specified per customer drawing.
Coating Selection
Protected aluminum, protected silver or dielectric mirror coatings can be specified according to the operating wavelength and laser power level.
Concave Mirror Material Comparison
| BK7 | Fused Silica | Low Expansion Glass | |
|---|---|---|---|
| Thermal Stability | Moderate thermal stability | Excellent, low thermal expansion | Very low thermal expansion, designed for thermal stability |
| Mechanical Notes | Widely available, cost-effective substrate | High homogeneity, good laser damage resistance | Dimensionally stable under temperature fluctuation |
| Typical Use | General visible-range focusing, cost-sensitive systems | UV to NIR laser and imaging systems, high-power applications | Telescope mirrors, precision optical cavities, thermally sensitive setups |
| Selection Note | Preferred for general visible-range applications with lower cost requirements | Preferred when high laser damage threshold and broadband performance are required | Preferred when dimensional stability under temperature change is critical |
Applications of Concave Mirror
Laser Focusing Systems
Precise focusing optics for laser beam shaping and resonator applications.
Telescope Primary Mirrors
High surface accuracy mirrors for astronomical light collection.
Imaging Optical Systems
Precision focusing elements for imaging instrument design.
Spectroscopy Instruments
Reflective focusing optics for spectroscopic measurement systems.
Optical Measurement Equipment
Precision curved mirrors for measurement and metrology systems.
Astronomical Optical Systems
High-accuracy focusing mirrors for research and observation instruments.
Concave Mirror FAQ
What is the function of a concave mirror?
A concave mirror focuses incoming light by reflecting it toward a focal point determined by its curvature.
Can the focal length of a concave mirror be customized?
Yes. The focal length can be customized by adjusting the curvature radius and mirror design.
Which coating should be selected for a concave mirror?
The coating depends on wavelength range, reflectivity requirements, laser power, and operating environment.
Can concave mirrors be used for laser systems?
Yes. Concave mirrors are widely used for laser focusing, beam shaping, and resonator applications.
What information should I provide for a quotation?
Please provide substrate material, curvature radius or focal length, dimensions, coating type, surface accuracy, surface quality, quantity and drawing if available.
Where can I learn more about focusing mirrors and coatings?
Additional information on focusing mirrors and reflective coatings can be found from Edmund Optics.
Related Products for Concave Mirror
Need Custom Concave Mirrors?
Send us your drawing, curvature radius or focal length, dimensions, coating requirements and quantity. Chenyu Optics will review the optical and mechanical specifications and provide a suitable concave mirror manufacturing suggestion.