Electron Paramagnetic Resonance Spectrometer
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Benchtop EPR Spectrometer EPR200M The EPR200M is an integrated and compact CW benchtop spectrometer designed for quick and easy installation and operation. The model fits in both laboratory and industrial settings, providing sufficient sensitivity. Instrumental features Microwave frequency range Microwave power range Magnetic field range Maximum modulation field amplitude Modulation field frequency Maximum field scan points Auto tune Available sample tube diameter:3-6 mm OD

A single scan of 1 pM TEMPO aqueous solution using 10 mW microwave power Crystal rotation data of ruby (Cr3+ in Al203) with angular resolution of 1° ■ Nitrogen Variable Temperature System Flat cell series ■ Xenon lamp ■ Automated goniometer • UV-enhanced Xenon lamp

The EPR300 is a standing EPR spectrometer with enhanced sensitivity for robust CW EPR measurements. The model can be configured with two different sizes of electromagnet. The EPR300 can be optionally equipped with a more advance microwave bridge to further increase the signal-to-noise ratio to 10,000:1, and a optional Q-band extension. • Maximum modulation field amplitude: 20 Gauss ■ Frequency range: 9.2-9.9 GHz • Detection of 0° and 90° modulation phase ■ Maximum power output: leveled to 200 mW • Modulation frequency range: 0.5-120 kHz ■ Attenuation range: 0-60 dB Q-band...

High-Q resonator Cavity resonance frequency: 9.5–9.9 GHz Unloaded Q ≥18000 (critically coupled) Maximum modulation fieldamplitude: 20 Gauss Nitrogen and helium variable temperature systems available Auto tune available Signal intensity distribution in High-Q resonator internal standard Dual mode resonator 62 mm Cavity resonance frequency 9.6–10 GHz (perpendicular mode) 9.4–9.8 GHz (parallel Mode) Maximum modulation field amplitude:10 Gauss N@C60 in solution with dimensions of Ø =4 mm and L=10 mm showing a line width of 16 mG

The EPR100 is a powerful and versatile spectrometer with both CW and pulsed EPR capacity. The model is engineered to meet the expectation of high-resolution EPR experiments and contemporary applications. -Q Microwave bridge ■ CW and pulsed setup ■ Maximum power output: leveled to 200 mW • ELDOR source (optional) | Pulsed control and readout system ■ Pulse resolution: 50 ps ■ Microwave channels: 4 channels with 90° phase shift (+X, -X, +Y, -Y) ■ Maximum number of pulses: 20000 per channel ■ Detection time resolution: 1 ns ■ Video amplifier bandwidth: 20 or 200 MHz

PW-4201-DR pulsed resonator The DR pulsed resonator is the standard pulsed resonator built to fulfill different pulsed EPR experimental requirements. The full-width-half-maximum of the B1 field distribution reaches 400 MHz, providing enough bandwidth for double-resonance experiments. Four-pulse DEER experiments performed on ACERT biradical standards for EPR distance measurements Davies ENDOR of Mn2+ in calcite collected at 10 K High-resolution ENDOR experiment is attainable with the X-band ENDOR system, including resonator (EN-4202-DR),RF amplifier, RF source and control sy

W900 is an EPR spectrometer operating at 94 GHz. The high-field and high-frequency instrument enables measurements with enhanced spectral and orientational resolution of disordered systems. The model may be acquired as an extension to EPR100 or as an independent spectrometer. superconducting magnet -Q W-band microwave bridge ■ Microwave frequency range: 93.5-94.5 GHz ■ Maximum microwave power output Liquid helium-free cryogenic system ■ 6 T superconducting magnet and independent sweep coil with ±1000 Gauss range

W-band CW and pulsed EPR resonator Resonator bandwidth measured by Rabi Cavity resonance frequency 93.7–94.4 GHz oscillation frequency at different frequency Unloaded Q-value ≥4000 (critically coupled) ENDOR and EDNMR at W-band Shortest RF π-pulse at 1H frequency at 33781 EDNMR of LiF single crystal measured at

EPR ProCt. is the control software for operating all CIQTEK EPR spectrometers. The interphase and the utilities are tailored for new and experienced users to set up experiments in an efficient manner. While EPR ProCt. includes basic data processing tools, it allows file transfer to the data processing software EPR ProPr. via a single click. Tune window in CW mode Auto tune available Optional Q-value calculation Pulse Editor for programming time-domain experiments and acquisition Transfer data file to EPR ProPr. 2D Field-Power 2D Field-Delay 2D Time-Field 2D Field-Temperature 2D Field-Angle...

Independent from the control software, EPR ProPr. is dedicated to process EPR spectra and time-domain data. EPR ProPr. can be installed on any laptop for easy access, providing a toolbox that meet users needs. All processing tools included in EPR ProPr. Double Integral Differential X-Axis Update Exponential Decay Stretched Exponential Decay Mixed Gaussian Lorentzian Phalf Fitting Calculation of TEMPOL solution spectrum using the Double Integral program The solution-state spectrum is baseline-subtracted via Baseline program Fitting T2 relaxation data of diamond NV- center with Stretched...

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