INDUSTRY COMPONENT

Irises

Irises are precision waveguide components that control electromagnetic wave propagation in accelerating waveguides by adjusting impedance and field distribution.

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Component Specifications

Definition
Irises are metallic diaphragms with precisely shaped apertures inserted perpendicularly into accelerating waveguides. They function as impedance-matching elements, resonant cavities, or field-shaping devices by creating controlled discontinuities in the waveguide cross-section. Their geometry (circular, rectangular, or custom shapes) determines the electromagnetic field patterns, phase velocity, and power handling capabilities within the waveguide system.
Working Principle
Irises operate by introducing a controlled impedance discontinuity in the waveguide, which reflects and transmits portions of the electromagnetic wave. This alters the phase velocity, field distribution, and resonant characteristics. In accelerating waveguides, irises help maintain the correct phase relationship between the RF field and particle beam, ensuring efficient energy transfer and beam stability.
Materials
High-conductivity oxygen-free copper (C10100/C10200), aluminum alloys (6061-T6), or stainless steel (304/316) with silver or gold plating for enhanced surface conductivity and corrosion resistance.
Technical Parameters
  • VSWR <1.2:1
  • Power Handling Up to 5 MW peak
  • Frequency Range 1-40 GHz
  • Surface Roughness Ra ≤ 0.4 μm
  • Aperture Tolerance ±0.01 mm
  • Operating Temperature -40°C to +150°C
Standards
ISO 9001, IEC 60153, MIL-DTL-3922

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Irises.

waveguide iris accelerating waveguide components RF impedance matching particle accelerator parts electromagnetic field control microwave engineering Irises Irises in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Accelerating Waveguide

A specialized waveguide component within a medical linear accelerator that guides and accelerates electrons to produce high-energy X-rays for radiation therapy.

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Engineering Analysis

Risks & Mitigation
  • Thermal deformation under high power
  • Impedance mismatch due to manufacturing tolerances
  • Corrosion or oxidation affecting surface conductivity
  • Mechanical stress from thermal cycling
FMEA Triads
Trigger: Poor material conductivity or surface plating degradation
Failure: Increased insertion loss and reduced power efficiency
Mitigation: Use high-conductivity materials with protective plating; implement regular conductivity testing and maintenance.
Trigger: Geometric inaccuracies in aperture dimensions
Failure: Impedance mismatch leading to reflected power and system instability
Mitigation: Apply precision machining with tight tolerances; use coordinate measuring machines (CMM) for quality verification.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.01 mm on critical dimensions, ±0.5° on angular alignment
Test Method
Vector network analyzer (VNA) measurements for S-parameters, coordinate measuring machine (CMM) for dimensional verification, helium leak testing for vacuum integrity.

Buyer Feedback

★★★★☆ 4.7 / 5.0 (15 reviews)

"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Irises meets all ISO standards."

"Standard OEM quality for Computer, Electronic and Optical Product Manufacturing applications. The Irises arrived with full certification."

"Great transparency on the Irises components. Essential for our Computer, Electronic and Optical Product Manufacturing supply chain."

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Frequently Asked Questions

What is the primary function of an iris in an accelerating waveguide?

The primary function is to control the electromagnetic field distribution and phase velocity to ensure efficient energy transfer to charged particles, maintaining beam stability and acceleration efficiency.

How do irises affect waveguide performance?

Irises adjust impedance matching, reduce reflections (VSWR), shape field patterns, and can create resonant cavities for specific frequency operations, directly impacting bandwidth, power handling, and system efficiency.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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