Electro-Optical Crystal Mount with Integrated Thermal and Position Control
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Solution Overview
Problem
Conventional electro-optical crystal mounting systems fail to adequately address the stringent requirements of temperature control, position alignment, and voltage application in laser cavities, leading to misalignment and thermal instability, which affects the optical performance of EO crystals.
Innovation Solution
A compact electro-optical crystal-mounted apparatus that integrates thermal control, voltage application, and precise positioning using a thermally conductive and electrically insulating mount with a gold-plated layer for electrical insulation, a crystal sub-assembly oven for temperature management, and a position adjustment sub-assembly with lockable tilt and tip adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional commercial off-the-shelf mounts are used to position the EO crystal, then the mounting process is simplified, but the alignment precision and thermal stability are insufficient
Solution Approach 1:
The patent combines multiple functions (positioning, alignment, thermal control, electrical connection) into a single integrated mount structure. The mount includes threaded adjustment mechanisms for precise positioning, integrated thermal contact surfaces, and electrical contact points, eliminating the need for multiple separate components while achieving superior alignment precision and thermal stability.
Solution Approach 2:
The mount is designed to perform multiple functions simultaneously: mechanical support, precise positioning through threaded adjustments, thermal management via conductive contact, and electrical connection through plated surfaces. This multi-functional design replaces several conventional separate components with a single universal mounting structure.
2Manufacturing precision
If multiple off-the-shelf mounts are combined to address alignment parameters, then the alignment capability is improved, but the device complexity increases
Solution Approach 1:
The patent integrates multiple alignment functions (tip, tilt, position) into a single mount structure with coordinated adjustment mechanisms. Instead of combining multiple separate mounts, the invention provides all alignment capabilities within one unified component, reducing overall device complexity while maintaining precise alignment capability.
3Device complexity
If conventional mounting apparatus are used, then the setup is simpler, but the thermal stability of the crystal is not adequately addressed
Solution Approach 1:
The mount integrates thermal management functionality directly into the mounting structure through thermally conductive materials and surfaces that contact the crystal. This combines mechanical support and thermal control in a single component, maintaining setup simplicity while achieving adequate thermal stability.
4Volume of moving object
If a compact apparatus is used to reduce laser cavity size, then the light path length is minimized, but the integration of thermal control and voltage application becomes more challenging
Solution Approach 1:
The compact mount integrates all necessary functions (mechanical support, positioning, thermal control, electrical connection) into a single space-efficient structure. This multi-functional integration achieves compact size for minimizing laser cavity volume while avoiding increased integration complexity by combining functions rather than adding separate components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus ensures stable temperature control, precise alignment, and application of over 1000V without shorting, enhancing the optical performance of EO crystals while reducing the size of the laser cavity, thus minimizing light path length and optimizing laser pulse efficiency.
Implementation Method 1
a thermally conductive and electrically insulating mount
Implementation Method 2
a thermally conductive and electrically insulating mount
Implementation Method 3
a heater configured to provide heat to the electro-optical crystal
Implementation Method 4
the electro-optical crystal for altering a polarization or an index of refraction of a laser light oriented to pass through the electro-optical crystal
Data Source
AI summary
An electro-optical crystal-mounted apparatus includes a compactly configured mounting sub-assembly, and a compactly configured position adjustment sub-assembly onto which the mounting sub-assembly is mounted. The mounting sub-assembly includes a mount including a thermally conductive and electrically insulating material, an electro-optical crystal housed within a cavity of the mount, and a layer of electrically conductive material disposed on at least a portion of the mount. The mounting sub-assembly further includes a crystal sub-assembly oven mounted to, and at least partially enclosing the mount, and a heater thermally coupled to the crystal sub-assembly oven. An electrical wire electrically is coupled to the layer of electrically conductive material. The position adjustment sub-assembly positions the electro-optical crystal with respect to a laser beam configured to pass through the electro-optical crystal, and includes at least one tilt/tip adjuster for adjusting at least one of a tip and a tilt of the electro-optical crystal.