Fluorescence up-conversion system

• 详细介绍
• 详细参数

• 详细介绍

  FluoMax is a key system for studying fluorescence dynamics in solutions, solid samples and hin films. Its time window is 2ns and has an inherent time resolution lower than 100fs. The detection method relies on the use of femtosecond optical gating technology to generate the sum frequency of the nonlinear optical crystal. The spectral range of FluoMax covers the visible and near-infrared regions. It is designed to match any type of femtosecond titanium sapphire oscillator (1-100mhz, SC version) and regenerative amplifier (0.5-10kHz, MP version).

  
  

  main feature

  >Detection fluorescence wavelength range (350-1300 nm)

  >100fs intrinsic time resolution

  > Full computer operation

  > Time window 2 n s (standard) 4ns (optional)

  > Emission anisotropy measurement

  > Ultra high signal-to-noise ratio

  
  

  Research areas

  > Molecular Spectroscopy

  > Photochemistry

  >Optical Physics

  > Materials Science

  > Photobio

  > Nano Science

  
  

  core advantages

  > High cost performance

  > Simple operation

  > Expand the spectrum

  > Designed by spectroscopy experts

  > Diversified tools and accessories

  
  

  Basic operation

  Laser-induced fluorescence is generated by femtosecond laser pulses and directed to an optically nonlinear crystal. Only when there is a delayed femtosecond grid pulse, the nonlinear crystal will produce sum-frequency radiation. As a result of optical delay scanning, fluorescence rise or decay dynamics are measured at a wavelength adjusted by a monochromator and a nonlinear crystal. The sensitivity of the system depends on the average power of the fluorescence excitation light, the pulse repetition rate, the emission lifetime of the sample, the photon counting system that converts the dark count of the efficient spectrometer, and the measurement time.

  
  

  Organic Chemistry:

  Charge transfer in synthetic compounds

  Transient emission gains kinetics and FluoMax-MP TAA-based organic compounds in solution and excites Clark-MXR CPA2010™ frequency doubled output. Excite with 2uj, 1kHz, 388 nm pulse. Time dynamics fitting (solid line) is performed with complex exponential function and Gaussian function.

• 详细参数

  Spectral resolution:

  The spectral resolution depends on the slit used. Typical spectral resolution:

  • VIS – 0.7… 8 nm

  • NIR – 1… 10 nm

  
  

  Time window and step size:

  Standard – 2 and 3.3 ns, Step Size (Resolution) 1.33 fs optional – 4 and 6.6 ns, Step Size 2.67 fs (-DP option)

  
  

  Dark count rate:

  The instrument response function is determined by the customer's laser system and has a typical FWHM value of 1. It is 5 times longer than the duration of the excitation pulse. The inherent time resolution is less than 100fs.

  
  

  size:

  W 960 x L710 x H240 mm

• 产品特色

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• 详细介绍

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