Editorial Technical Reference

Collimating Mirror

This page explains how Collimating Mirror is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

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

View Full Specifications Explore Manufacturing Sources
Representative product image. Confirm appearance and specifications with the manufacturer.

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. The mirror typically features a concave reflective surface, either spherical or parabolic, and is manufactured from materials such as aluminum with protective coating, fused silica with reflective coating, or glass with metallic coating. The focal length, specified in millimeters, determines the distance required for optimal collimation and must be matched to the spectrometer's optical design. As a component, the collimating mirror is selected based on the system's requirements, including the spectral range, beam diameter, and acceptable aberration levels. It interfaces with the entrance slit and the dispersion element, and its alignment is critical for performance. Verification of the mirror's specifications, such as focal length and surface quality, should be confirmed with the legal manufacturer or supplier for the specific model. Maintenance signals include visible coating degradation, scratches, or contamination, which can affect reflectivity and collimation quality. Failure boundaries include physical damage, coating failure, or misalignment, leading to degraded spectral resolution. The mirror is not a standalone instrument but a part of a larger optical system, and its performance is interdependent with other components.
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

What to specify in your RFQ

  • Focal length determines the distance required for optimal collimation in mm

These are the quantities to specify to the manufacturer when sizing or requesting a quote. The manufacturer's own documentation governs the exact figures and applicable standard.

Components / BOM
  • Mirror Substrate Part
    Provides structural support and optical surface shape
    Material: Aluminum, fused silica, or optical glass
  • Reflective Coating Part
    Enhances reflectivity across specific wavelength ranges
    Material: Aluminum, silver, gold, or dielectric coatings
  • Mounting Interface Part
    Secures mirror in spectrometer with precise alignment capability
    Material: Aluminum alloy or stainless steel

Applied To / Applications

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

Spectrometer Unit
View system integration details

Industrial Ecosystem & Supply Chain Structure

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

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable 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)

Quoted from the published standard.

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)

Manufacturers of Collimating Mirror

Manufacturer profiles associated with Collimating Mirror.

Sourcing Collimating Mirror from China?
Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.
Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Supply Chain Compatible Machinery & Devices

Industrial IoT Gateway

The Industrial IoT Gateway is a ruggedized edge computing device designed for industrial environments.

Explore Specs →
Modular Industrial Edge Computing Device

This modular industrial edge computing device is a ruggedized system designed for deployment in harsh industrial environments to perform real-time data processing, analytics, and control functions at the network edge.

Explore Specs →
Industrial Smart Camera Module

The Industrial Smart Camera Module is a compact, self-contained vision processing unit designed for integration into industrial machinery and production lines.

Explore Specs →
Surface Mount Resistor

Passive electronic component for current limiting and voltage division in circuits

Explore Specs →

Frequently Asked Questions

What is the primary function of a collimating mirror in a spectrometer?

The collimating mirror converts divergent or convergent light from the entrance slit into parallel rays before the light reaches the dispersion element. This ensures uniform illumination and accurate wavelength measurement.

What materials are commonly used for collimating mirrors?

Common materials include aluminum with protective coating, fused silica with reflective coating, and glass with metallic coating. The choice depends on the application's spectral range and environmental requirements.

How does the focal length affect the performance of a collimating mirror?

The focal length, specified in millimeters, determines the distance required for optimal collimation. It must match the spectrometer's optical design to achieve proper beam collimation and minimize aberrations.

What should I verify before purchasing a collimating mirror?

Verify the focal length, surface quality, coating type, and compatibility with your spectrometer's optical layout. Always confirm model-specific specifications with the legal manufacturer or supplier.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
Buyer enquiry

Request manufacturing insight for Collimating Mirror

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes
Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here
We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman
CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim
A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

Your business information is used only to process this request.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at contact@cnfx.com.

Need to Manufacture Collimating Mirror?

Compare manufacturer profiles with relevant product and process capability.

Create Manufacturer Profile Contact Us
Previous Product
Collimating Lens Assembly
Next Product
Communication Controller IC
Get QuotesChat