Omicron-Style Liquid Helium Cooling Stage with Cryostraps to Geared Rotary Stage

This compact UHV-compatible sample stage delivers efficient liquid helium (LHe) cooling integrated directly onto a standard Omicron-style flag-plate holder. Designed for precise cryogenic performance, it features a dedicated LHe cold finger with high-efficiency thermal coupling to the sample, enabling stable cooling to liquid helium temperatures while maintaining full compatibility with Omicron transfer systems and manipulators.

Key Features:

• Liquid Helium Cooling: Optimized LHe cold finger provides robust cryogenic performance for low-temperature experiments, achieving excellent thermal contact and temperature stability at LHe range.
• Cryostraps to Geared Rotary Stage: High-conductivity cryostraps (flexible thermal links) connect the cold stage to a geared rotary platform, allowing continuous or indexed sample rotation with minimal thermal loss. The geared mechanism ensures smooth, precise angular control even at cryogenic temperatures.
• Compact Omicron-Compatible Design: Built on a standard Omicron sample holder footprint for seamless integration with existing UHV transfer devices, load-locks, and analysis chambers. Maintains clean, high-purity materials suitable for repeated bake-outs.
• Thermocouple Monitoring: Strategically placed sensors for accurate temperature readout and closed-loop control.

This configuration is ideal for surface science, low-temperature STM/AFM, ARPES, and other experiments requiring cryogenic conditions with in-situ sample rotation. It pairs perfectly with McAllister’s UHV manipulators, transfer systems, and target sample holders.

Custom options—including cryostrap geometry, rotary gearing ratios, additional shielding, or mounting adaptations—are available to suit your specific UHV setup. Contact us for tailored configurations.

Options

CONTACT FACTORY FOR CUSTOMIZATIONS AND ADDITIONAL OPTIONS