Temperature Control
Why temperature control matters
In many experiments, even minor temperature fluctuations can alter molecular behavior, shift spectral properties, and introduce variability in experimental results. Precise thermal control is critical for ensuring repeatability, minimizing uncertainty, and maintaining the integrity of temperature-sensitive measurements.
Quantum Northwest specializes in precision Peltier-based temperature regulation, providing researchers with the stability needed for accurate optical measurements. Our technology maintains precise thermal conditions across a wide range of applications, from absorbance and fluorescence spectroscopy to neutron scattering and molecular biology.

Our approach to temperature control
At the core of our temperature control technology is the Peltier effect, a thermoelectric phenomenon where an electric current drives heat transfer across a semiconductor junction. Depending on the current direction, heat is either absorbed or expelled, enabling precise heating and cooling without moving parts or refrigerants.
Our systems integrate Peltier modules with:
- High-accuracy temperature sensors to monitor and adjust conditions in real time.
- Advanced control algorithms that dynamically regulate power input, ensuring smooth temperature transitions.
- Efficient heat dissipation mechanisms such as water or forced-air cooling to maintain stability at extreme setpoints.
This approach allows for:
- Temperature stability – Holding setpoints within ±0.02°C, reducing thermal drift in sensitive experiments.
- Rapid and reliable transitions – Controlled heating and cooling for dynamic studies, with fast, precise temperature changes.
- Broad temperature range – Holders with operating temperatures from -55°C to 150°C, for a spectrum of scientific applications.
- Minimal thermal gradients – Ensuring uniform heating and cooling across the sample to prevent distortions in spectral data.
Expansion to new field of research
Since 1993, Quantum Northwest has worked closely with researchers and OEMs to develop tailored temperature control solutions. Our expertise has expanded beyond traditional spectroscopy into neutron scattering, and biology. Innovations such as our NeutroniQ devices and qMC16 multi-cell temperature controllers help scientists study temperature-dependent phenomena in diverse fields of research.


Custom instrumentation
Whether integrating with commercial spectrometers or developing custom sample holders, we provide solutions optimized for your specific experimental needs. Our engineering team collaborates with laboratories and instrument manufacturers to create systems that integrate with existing setups. Contact us to learn more.
