Industry-Verified Manufacturing Data (2026)

Collimating Mirror

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Collimating Mirror used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Collimating Mirror is characterized by the integration of Mirror Substrate and Reflective Coating. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum with protective coating construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An optical component that converts divergent or convergent light into parallel rays within a spectrometer.

Product Specifications

Technical details and manufacturing context for Collimating Mirror

Definition
A collimating mirror is a precision optical component within a spectrometer unit that aligns incoming light into parallel rays before it enters the dispersion element (such as a grating or prism). This ensures accurate wavelength measurement by providing uniform illumination across the optical system, minimizing aberrations and improving spectral resolution.
Working Principle
The collimating mirror uses a concave reflective surface (typically spherical or parabolic) to redirect light rays. Divergent light from the entrance slit strikes the mirror surface and reflects as parallel rays, creating a collimated beam that travels to the dispersion element. The mirror's curvature and precise alignment determine the quality of collimation.
Common Materials
Aluminum with protective coating, Fused silica with reflective coating, Glass with metallic coating
Technical Parameters
  • Focal length determines the distance required for optimal collimation (mm) Customizable
Components / BOM
  • Mirror Substrate
    Provides structural support and optical surface shape
    Material: Aluminum, fused silica, or optical glass
  • Reflective Coating
    Enhances reflectivity across specific wavelength ranges
    Material: Aluminum, silver, gold, or dielectric coatings
  • Mounting Interface
    Secures mirror in spectrometer with precise alignment capability
    Material: Aluminum alloy or stainless steel
Engineering Reasoning
Angular divergence tolerance: 0.1-2.0 mrad, Surface flatness: λ/10-λ/20 at 632.8 nm, Temperature stability: 15-25°C ±0.1°C
Surface deformation exceeding λ/4 at 632.8 nm, Angular misalignment >5 mrad, Coating reflectivity drop below 99.5% at design wavelength
Design Rationale: Thermal expansion mismatch between substrate (fused silica, α=0.55×10⁻⁶/K) and coating (Al/MgF₂ multilayer) causing stress-induced surface distortion; photon-induced desorption contaminating optical surfaces
Risk Mitigation (FMEA)
Trigger Thermal gradient exceeding 2°C/cm across mirror surface
Mode: Wavefront error increase to >λ/2 RMS at 632.8 nm
Strategy: Active temperature stabilization with Peltier elements and PID control maintaining ±0.05°C uniformity
Trigger Hydrocarbon contamination deposition rate >1 nm/hour in vacuum <10⁻⁶ Torr
Mode: Reflectivity degradation below 98% at 200-800 nm spectral range
Strategy: In-situ plasma cleaning system with 13.56 MHz RF generator and oxygen flow at 10 sccm

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Collimating Mirror.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar absolute (vacuum compatible)
other spec: Wavelength range: 200-2000 nm, Surface roughness: <5 Å RMS, Coating durability: MIL-C-48497A
temperature: -40°C to 150°C (operating), -60°C to 200°C (storage)
Media Compatibility
✓ UV-VIS-NIR spectroscopy gases ✓ Clean dry air environments ✓ Vacuum spectrometer chambers
Unsuitable: Abrasive particulate-laden flows or corrosive chemical vapors
Sizing Data Required
  • Required wavelength range (nm)
  • Beam diameter at mirror surface (mm)
  • Required collimation accuracy (mrad divergence)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Surface degradation
Cause: Accumulation of contaminants (dust, oils, particulates) or chemical attack from environmental exposure, leading to reduced reflectivity and beam quality.
Mechanical misalignment
Cause: Thermal cycling, vibration, or improper handling causing shifts in mirror position, resulting in beam divergence or targeting errors.
Maintenance Indicators
  • Visible haze, spots, or discoloration on the mirror surface indicating contamination or coating damage
  • Audible rattling or observed beam instability during operation suggesting loose mounting or alignment issues
Engineering Tips
  • Implement regular cleaning with approved optics-grade solvents and lint-free wipes, using proper handling protocols to avoid scratches or coating damage
  • Install vibration isolation mounts and environmental controls (temperature/humidity) to minimize thermal stress and mechanical disturbances

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-5:2015 (Optics and photonics - Preparation of drawings for optical elements and systems - Part 5: Surface form tolerances) ANSI/OP 1.001-2009 (American National Standard for Optics and Optical Instruments - Preparation of drawings for optical elements and systems) DIN 3140-7:2017 (Drawing indications for optical elements and systems - Part 7: Surface form deviations)
Manufacturing Precision
  • Surface figure error (flatness): λ/10 at 632.8 nm wavelength
  • Surface roughness: Ra ≤ 0.5 nm for high-precision collimating mirrors
Quality Inspection
  • Interferometric surface testing (to verify optical surface accuracy and wavefront error)
  • Spectrophotometric reflectance measurement (to verify coating performance and spectral characteristics)

Factories Producing Collimating Mirror

Verified manufacturers with capability to produce this product in China

✓ 92% Supplier Capability Match Found

T Technical Director from United States Feb 23, 2026
★★★★★
"The Collimating Mirror we sourced perfectly fits our Computer, Electronic and Optical Product Manufacturing production line requirements."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Feb 20, 2026
★★★★☆
"Found 36+ suppliers for Collimating Mirror on CNFX, but this spec remains the most cost-effective. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Australia Feb 17, 2026
★★★★★
"The technical documentation for this Collimating Mirror is very thorough, especially regarding technical reliability."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

14 sourcing managers are analyzing this specification now. Last inquiry for Collimating Mirror from Vietnam (1h ago).

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Frequently Asked Questions

What is the primary function of a collimating mirror in optical systems?

A collimating mirror converts divergent or convergent light beams into parallel rays, ensuring accurate light direction in spectrometers and other optical instruments for precise measurements.

Which material is best for high-temperature applications in collimating mirrors?

Fused silica with reflective coating is ideal for high-temperature environments due to its low thermal expansion and excellent thermal stability, maintaining optical performance under varying conditions.

How does the reflective coating affect collimating mirror performance?

The reflective coating determines reflectivity, wavelength range, and durability. Metallic coatings (like aluminum) offer broad spectral range, while dielectric coatings provide higher reflectivity for specific wavelengths in spectrometer applications.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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