Output Coupler / Beam Exit Port

Product Specifications

Technical details and manufacturing context for Output Coupler / Beam Exit Port

Definition

The Output Coupler/Beam Exit Port is a critical interface component in accelerating waveguide systems. It facilitates the controlled extraction and direction of the accelerated electromagnetic beam from the waveguide structure to external systems or applications. The component ensures minimal energy loss and proper beam shaping during the transition. It is designed to provide an impedance-matched transition from the confined waveguide environment to free space or another transmission medium, using carefully designed apertures, tapers, or coupling mechanisms. This efficiently transfers electromagnetic energy while maintaining beam quality and directionality. The component is typically manufactured from oxygen-free high-conductivity copper, aluminum alloy, or stainless steel, depending on the application requirements. Key parameters include operating frequency (S-band typical, 2.856–2.860 GHz), power handling (5–50 MW peak, depending on cooling), insertion loss (≤0.1 dB), return loss (≥30 dB), waveguide size (WR-284, per IEC 60153-2), flange type (CPR-284, per IEC 60153-2), material (OFHC Cu, per ASTM B170), surface finish (0.4–0.8 μm Ra), cooling method (water), operating temperature (20–60 °C), vacuum rating (1e-7 Torr), and weight (5–15 kg). These values are reference ranges and must be confirmed for the specific model and application. The component is used in particle accelerators, radar systems, and other high-power microwave applications. Proper selection requires consideration of frequency, power, cooling, and vacuum requirements. Verification of model-specific values and standards should be done with the legal manufacturer or supplier.

Working Principle

The component operates by providing an impedance-matched transition from the confined waveguide environment to free space or another transmission medium. It uses carefully designed apertures, tapers, or coupling mechanisms to efficiently transfer the electromagnetic energy while maintaining beam quality and directionality. The design minimizes reflections and losses, ensuring that the beam exits with minimal distortion. The coupling mechanism is tailored to the specific frequency and power requirements, and the transition is optimized for the waveguide size and flange type. The component also incorporates provisions for cooling and vacuum sealing, which are critical for high-power and accelerator applications.

Common Materials

Oxygen-free high-conductivity copper, Aluminum alloy, Stainless steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Operating Frequency	2.856–2.860 GHz	S-band typical; other bands available
Power Handling	5–50 MW	Peak power; depends on cooling
Insertion Loss	≤0.1 dB	Lower is better for efficiency
Return Loss	≥30 dB	Ensures minimal reflection
Waveguide Size	WR-284	Standard rectangular waveguideIEC 60153-2
Flange Type	CPR-284	Common for high powerIEC 60153-2
Material	OFHC Cu	Oxygen-free high conductivity copperASTM B170
Surface Finish	0.4–0.8 μm Ra	Critical for high power handling
Cooling Method	Water	Required for high average power
Operating Temperature	20–60 °C	Cooling water temperature
Vacuum Rating	1e-7 Torr	Leak tight for accelerator vacuum
Weight	5–15 kg	Depends on flange and cooling

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Coupling Iris
Controls the amount of electromagnetic energy extracted from the waveguide

Material: Copper or brass
Output Flange Part
Provides mechanical interface for connecting to external systems or beamlines

Material: Stainless steel or aluminum
Impedance Matching Section Part
Gradual transition that minimizes reflections and maximizes power transfer

Material: Copper with silver plating
Cooling Jacket
Manages thermal load from high-power operation

Material: Copper with water channels
Vacuum Seal
Holds the vacuum boundary at the exit port while the beam passes through.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Output Coupler / Beam Exit Port.

Applied To / Applications

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

Accelerating Waveguide

View system integration details

Manufacturers of Output Coupler / Beam Exit Port

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Yasi Optics

Sichuan, CN

Also makes: Focusing Lens

Listed on the company's own website · profile compiled by CNFX from public sources

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Frequently Asked Questions

What is the typical operating frequency range?

The typical operating frequency is in the S-band, specifically 2.856–2.860 GHz. Other bands may be available, but this is the standard range for this component.

What is the maximum power handling capability?

The peak power handling is 5–50 MW, depending on the cooling method and configuration. Water cooling is typically required for high average power operation.

What waveguide size and flange type are used?

The standard waveguide size is WR-284, and the flange type is CPR-284, both per IEC 60153-2. These are common for high-power applications.

What materials are used in construction?

The component is typically made from oxygen-free high-conductivity copper (OFHC Cu), aluminum alloy, or stainless steel. The material choice affects thermal and electrical performance.

Data Basis

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

Preliminary Technical Classification

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pressure:	Atmospheric to 10^-6 Torr (vacuum compatible)
other spec:	Frequency range: 2.45 GHz to 18 GHz typical, VSWR <1.2:1, Power handling: Up to 5 MW peak, 100 kW average
temperature:	-40°C to +150°C (operational), up to +200°C (peak)

Product Specifications

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