Structured Manufacturing Data (2026)

Diffraction Grating

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Diffraction Grating 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 Diffraction Grating is characterized by the integration of Substrate and Grating Surface. In industrial production environments, manufacturers listed on CNFX commonly emphasize Glass construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An optical component with a periodic structure that splits and diffracts light into several beams traveling in different directions.

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Product Specifications

Technical details and manufacturing context for Diffraction Grating

Definition
A diffraction grating is a critical component within an optical spectrometer that disperses incoming light into its constituent wavelengths by creating constructive interference at specific angles. It serves as the wavelength-separating element that enables spectral analysis by spatially separating different colors or wavelengths of light.
Working Principle
When light strikes the grating's periodic surface pattern (typically parallel grooves or lines), it undergoes diffraction. The constructive interference of diffracted waves at specific angles depends on the wavelength, grating spacing, and incident angle, allowing different wavelengths to be directed to different positions for detection.
Common Materials
Glass, Fused silica, Metal (for reflective gratings)
Technical Parameters
  • Grating density or groove frequency (lines/mm) Customizable
Components / BOM
  • Substrate Part
    Provides structural support and optical surface for grating pattern
    Material: Glass or fused silica
  • Grating Surface Part
    Contains periodic pattern of grooves or lines that diffract light
    Material: Aluminum coating (for reflective gratings) or etched glass
  • Protective Coating Part
    Prevents damage to grating surface from environmental factors
    Material: Dielectric coating or protective film

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Diffraction Grating.

high-resolution diffraction grating for spectroscopy custom reflective metal diffraction grating fused silica diffraction grating for lasers optical component for beam splitting applications precision diffraction grating for electronic manufactur

Applied To / Applications

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

Optical Spectrometer
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Spectrometer Unit
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1.5 bar (vacuum compatible with proper mounting)
other spec: Wavelength range: 200-2000 nm, Groove density: 50-3600 lines/mm, Damage threshold: 0.5-5 J/cm² (pulsed)
temperature: -50°C to +150°C (typical for coated glass substrates)
Media Compatibility
✓ Laser spectroscopy systems ✓ Monochromators and spectrometers ✓ Telecom wavelength division multiplexing
Unsuitable: High particulate environments (dust/sand) that can damage grating surface
Sizing Data Required
  • Required wavelength range (nm)
  • Desired spectral resolution or groove density (lines/mm)
  • Beam diameter and required aperture size (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Surface contamination and fouling
Cause: Accumulation of dust, oils, or particulates on the grating surface, leading to reduced diffraction efficiency, scattering, and signal degradation. Often caused by improper handling, inadequate environmental controls, or exposure to contaminants during operation.
Mechanical damage or misalignment
Cause: Physical impacts, thermal stress, or improper mounting causing scratches, cracks, or angular displacement of the grating. This results in distorted diffraction patterns, wavelength inaccuracies, or complete failure. Root causes include shock/vibration exposure, thermal cycling beyond design limits, or installation errors.
Maintenance Indicators
  • Noticeable decrease in diffraction efficiency or signal intensity output compared to baseline measurements
  • Visible scratches, haze, or discoloration on the grating surface under inspection lighting
Engineering Tips
  • Implement strict handling protocols using cleanroom gloves and tools only, and maintain controlled environments (temperature, humidity, and particulate levels) during both storage and operation
  • Use kinematic or precision mounting systems to minimize stress, and regularly verify alignment with calibration sources while avoiding thermal shocks during operation

Compliance & Manufacturing Standards

Reference Standards
ISO 10110-7:2017 (Optics and photonics - Preparation of drawings for optical elements and systems - Part 7: Surface imperfection tolerances) ASTM E903-20 (Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres) DIN 58196-2:2018 (Optical components - Diffraction gratings - Part 2: Definitions and parameters)
Manufacturing Precision
  • Groove spacing: +/-0.1 nm
  • Surface flatness: λ/10 at 632.8 nm
Quality Inspection
  • Spectroscopic efficiency measurement
  • Surface quality inspection (scratch-dig per MIL-PRF-13830B)

Factories Producing Diffraction Grating

Manufacturer profiles with relevant production capability in China

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

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What are the main applications of diffraction gratings in computer and electronic manufacturing?

Diffraction gratings are essential in optical data storage, fiber optic communications, laser systems, and spectral analysis equipment used in semiconductor manufacturing and electronic device testing.

How does the choice between glass and fused silica substrates affect grating performance?

Glass substrates offer cost-effectiveness for general applications, while fused silica provides superior thermal stability, lower thermal expansion, and higher UV transmission for precision optical systems and laser applications.

What protective coatings are recommended for industrial diffraction gratings?

Common protective coatings include dielectric coatings for enhanced reflectivity, aluminum with magnesium fluoride overcoat for durability, and gold coatings for infrared applications, all providing environmental protection and performance optimization.

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.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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