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MicroPIV

SKU: MODULE4G-2DPIV

TSI has developed a unique system specifically engineered for measuring flows in MEMS devices, microchannels, vessels, and other small-scale flow devices.

Product Details

TSI’s MicroPIV System makes use of the same core principles and components of a traditional 2D-PIV system (laser illumination source, camera, synchronizer, and Insight4G data acquisition and processing software), but with specific modifications ideal for high-magnification applications. A typical MicroPIV system makes use of an inverted microscope (an upright arrangement is also possible), fluorescent seed particles, a pulsed laser source for seed particle excitation, and a epifluorescent filter cube to isolate the emission wavelength for imaging. Due to the reflected light arrangement, a MicroPIV System typically relies on narrow depth-of-field imaging typical of microscope optics to obtain results on the plane of interest.

Image processing for MicroPIV is carried out using Insight4G’s 2D-PIV module, which has multiple features ideal for MicroPIV including advanced image pre-processing capability, ensemble PIV, and image (and velocity field) masking, among others.

MicroPIV systems are highly customizable. A variety of options and accessories exist for the microscope, objective lenses, light source, seed particles, filter cubes, cameras, and more. TSI has provided MicroPIV systems utilizing unique wavelengths, multi-deck microscopes, confocal imaging, image splitting, and more.

In developing this system, TSI has collaborated closely with pioneers in microflow measurements, optical system development, epifluorescence illumination, processing-algorithm development and analysis techniques. TSI has licensed this technology and implemented the patented concepts into the design of its MicroPIV System, making it an advanced and accurate tool for microflow measurements.

MicroPIV systems can be used for flows with characteristic dimensions ranging from tens to hundreds of microns. In some cases, a more traditional PIV system, using long-distance telescope optics adapted for camera lenses may be more suitable. Contact TSI to discuss your velocity field measurement needs for your small-scale flow today.

Applications

  • Flow through microchannels
  • Microfluidics
  • MEMS applications
  • Drug delivery
  • Flow through vasculature
  • Biological flows
  • Cell-laden flows

Core System Components

  • Inverted microscope including microscope objective, halogen lamp housing, filter cube and F-mount camera adaptor with relay lens (such as Model 660000 or Model 610051)
  • Pulsed-laser illumination source 
  • Liquid light guide assembly and coupling accessories (such as Model 660006)
  • CCD camera with frame-straddling (specific model depends upon application, includes camera lens, all interface cables, camera frame grabber)
  • Fluorescent seed particles
  • LaserPulse Synchronizer (Model 610036)
  • INSIGHT™ 4G  Data Acquisition, Analysis, and Display Software Package

Accessories and Customization Options

  • Objective lenses (4X through 40X commonly supplied; others available)
  • CW (continuous wave) laser illumination
  • Laser light attenuator (Model 660004)
  • Camera adapters and mounting hardware
    • Camera mounting relay lens with 1X magnification (Model 660025-1X)
    • Camera mounting relay lens with 5X magnification (Model 660025-5X)
  • Microflow model and accessories, including tubing and fluorescent particles (Model 660100)
  • Core microscope platform

Features & Benefits

  • Use of patented analysis techniques and tools lead to unmatched microflow measurement capabilities
  • Robust optical arrangement eliminates influences of vibration and other external disturbances
  • Inverted microscope approach is uniquely designed for microflow applications
  • Unique optical arrangement, using epifluorescence, uses the same optical access for illumination and scattered light collection
  • INSIGHT™ 4G Data Acquisition, Analysis and Display Software offers complete system control as well as data collection and analysis

Related Resources

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  • Application Notes
  • Catalogs