Crystal Mount: Resonant Frequency >500 Hz

Component Specifications

Definition

A specialized mechanical component designed to securely hold and position modulation crystals (such as lithium niobate or potassium titanyl phosphate crystals) within optical modulation systems. It provides precise alignment, thermal management, and vibration isolation to maintain crystal orientation and optical path integrity during modulation processes.

Working Principle

The crystal mount operates by providing a stable mechanical interface that maintains the crystal's precise angular and positional alignment relative to the optical axis. It typically incorporates kinematic mounting principles, thermal compensation mechanisms, and damping features to isolate the crystal from external vibrations and thermal expansion mismatches, ensuring consistent modulation performance.

Materials

Aluminum alloy (e.g., 6061-T6) for structural components, stainless steel (e.g., 304 or 316) for fasteners, silicone or viton for vibration damping elements, and anodized or passivated surfaces for corrosion resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Mounting Type	Kinematic or semi-kinematic
Surface Flatness	λ/4 at 632.8 nm
Thermal Stability	<0.1 μm/°C thermal drift
Angular Adjustment	±2 degrees in pitch and yaw
Crystal Size Range	5x5x20 mm to 10x10x40 mm
Resonant Frequency	>500 Hz
Operating Temperature	-20°C to +80°C

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

Standards

ISO 10110, ISO 14999, DIN 3140

Parent Products

This component is used in the following industrial products

Modulation Crystal

A specialized crystal component used to modulate electromagnetic beams by altering their phase, frequency, or amplitude.

View Product Details

Engineering Analysis

Risks & Mitigation

Misalignment due to improper installation
Thermal-induced stress cracking
Vibration-induced modulation instability
Corrosion in humid environments

FMEA Triads

Trigger: Insufficient torque on mounting screws
Failure: Crystal slippage and beam misalignment
Mitigation: Use calibrated torque drivers and follow manufacturer specifications

Trigger: Thermal expansion mismatch between crystal and mount
Failure: Crystal fracture or permanent deformation
Mitigation: Select mounts with matched CTE materials and incorporate thermal compensation designs

Trigger: Inadequate vibration damping
Failure: Modulation instability and signal noise
Mitigation: Implement elastomeric damping elements and isolate from vibration sources

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Angular alignment tolerance: ±0.1°, positional tolerance: ±10 μm

Test Method

Laser interferometry for flatness, autocollimator for angular alignment, thermal cycling tests per MIL-STD-810

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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.

Manufacturers of Crystal Mount

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.

Coupletech Co., Ltd.

Jinan, Shandong, CN

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

Listed there as: “Mirror / Crystal Mount”
View source page ↗ coupletech.com · checked 2026-09-13

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

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the purpose of a crystal mount in modulation systems?

The crystal mount securely holds modulation crystals in precise alignment within optical systems, ensuring optimal light transmission, modulation efficiency, and long-term stability by minimizing misalignment from vibrations or thermal changes.

How does thermal management work in crystal mounts?

Crystal mounts use materials with matched thermal expansion coefficients and may incorporate thermal pads or heat sinks to dissipate heat generated by the crystal during operation, preventing thermal lensing and maintaining optical performance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Crystal Mount