Nonlinear Crystal Ovens for Precision Phase Matching

Nonlinear Crystal Oven

Nonlinear Crystal Oven

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Sold by: Geola Digital Ltd Ships from: Lithuania
Specifications
Temperature Stability: 0.1 – 0.1 degC
Present Temperature Range: 25 – 250 degC
Temperature Setting Precision: 0.1 – 0.1 degC
Angle Adjustment: 3 – 3 deg
Max Crystal Aperture Size: 25 mm
Oven Set/IR cards

Oven Set/IR cards

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Sold by: HC Photonics Corp. Ships from: Taiwan
Specifications
Temperature Stability: 25 – 200 degC
Present Temperature Range: 25 – 200 degC
Temperature Setting Precision: 0.1 – 0.1 degC
Angle Adjustment: Not Specified
Max Crystal Aperture Size: 5 mm

Did You Know?

Nonlinear crystal ovens are specialized devices used for the precise temperature control of nonlinear optical crystals, which are used in a variety of applications such as laser frequency conversion, second harmonic generation, and optical parametric amplification. These ovens are designed to maintain a stable and uniform temperature over the entire crystal to ensure optimal performance. The ovens are typically made of a metal alloy with a high thermal conductivity to ensure rapid heating and cooling of the crystal. The temperature control system is often based on a closed-loop feedback mechanism using thermocouples, which allow for accurate temperature control with a precision of a few degrees Celsius. This is important because nonlinear crystals are highly sensitive to changes in temperature and can be easily damaged or lose efficiency if exposed to temperature fluctuations. Nonlinear crystal ovens are available in a range of sizes and designs to accommodate different crystal geometries and sizes. They may also be designed for specific temperature ranges or heating rates depending on the application requirements. To briefly summarize, nonlinear crystal ovens are essential tools for researchers and engineers working with nonlinear optical crystals, and careful consideration should be given to selecting the right oven for a given application to ensure optimal performance and longevity of the crystal.

Related Resources

Frequently Asked Questions

A nonlinear crystal oven is a temperature-controlled device used to maintain the temperature of nonlinear optical crystals at a stable level for optimal performance.

What Are Nonlinear Crystal Ovens?

Nonlinear Crystal Ovens are temperature-controlled mounts designed to hold nonlinear optical crystals and maintain a stable thermal environment for efficient frequency conversion. By precisely regulating the crystal temperature, these devices enable accurate phase matching in SHG, SFG, DFG, OPO, and other nonlinear processes across visible, NIR, and mid-IR wavelengths.

In a typical setup, Nonlinear Crystal Ovens integrate a crystal holder, a heater element (often resistive), a temperature sensor (NTC thermistor or PT100), and a closed-loop temperature controller. The oven geometry ensures uniform temperature across the crystal aperture, minimizing thermal gradients that degrade conversion efficiency and beam quality.

Typical Specifications and Use Cases

When evaluating Nonlinear Crystal Ovens on FindLight, you will encounter parameters such as:

  • Crystal aperture and length capacity: compatible crystal cross-sections (e.g., 3 × 3 mm, 4 × 4 mm) and maximum crystal length.
  • Temperature range: typical ranges from ambient up to 150–200 °C, with some designs optimized for narrower but highly stable ranges.
  • Temperature stability and uniformity: stability on the order of ±0.01–0.1 °C and specified uniformity over the crystal length.
  • Clear aperture and optical access: free aperture diameter, window material or open-frame design, and beam height relative to the mounting surface.
  • Mechanical interface: footprint, mounting holes, and compatibility with standard optical posts or translation stages.
  • Electrical interface: heater resistance, sensor type, and required controller or driver.

Common use cases for Nonlinear Crystal Ovens include frequency doubling of DPSS or fiber lasers, intracavity SHG, OPO gain media temperature control, and mid-IR generation using periodically poled crystals where phase-matching temperature tuning is critical.

Buyer Guidance on FindLight

When selecting Nonlinear Crystal Ovens, match the oven cavity dimensions and beam height to your existing nonlinear crystal and opto-mechanical layout. Verify that the temperature range and stability support your target phase-matching conditions and laser average power. Check whether you require built-in windows or an open-frame design to minimize dispersion and back-reflections.

On FindLight, you can compare datasheets for available Nonlinear Crystal Ovens, review detailed specifications, and request quotes directly from multiple suppliers. No registration is required to contact vendors, enabling rapid sourcing and technical clarification for your nonlinear optics experiments and systems.