phase contrast वाक्य
उदाहरण वाक्य
मोबाइल
- As such, the image is not only dependent on the number of electrons hitting the screen, making direct interpretation of phase contrast images more complex.
- The Nobel Prize in physics was awarded to Dutch physicist Frits Zernike in 1953 for his development of phase contrast illumination which allows imaging of transparent samples.
- In addition to this, various forms of microscopy including bright-field microscopy, fluorescence microscopy, interference contrast microscopy, and phase contrast microscopy have been used to observe the pathogen.
- By then he realised that the conventionally used phase contrast microscope was not suitable for fine structures of muscle fibres, and thus developed his own interference microscope.
- Phase contrast takes advantage of the fact that different structures have different refractive indices, and so bend light and delay its passage through the sample by different amounts.
- More sophisticated techniques will show proportional differences in optical density . "'Phase contrast "'is a widely used technique that shows differences in refractive index as difference in contrast.
- The transmitted signal is collected by an objective Zernike phase contrast at 2600 eV ) is planned, as well as the development of correlated fluorescence visible light microscopy.
- Monika Ritsch-Marte and her colleague Stefan Bernet hold several patents ( e . g . spiral-phase contrast microscopy or a diffractive Moir?lense with tunable refraction index ).
- As a programmable Fourier filters SLMs allow rapid switching between different microscopy modalities ( bright field, dark field, phase contrast ) without the need for changing any hardware components.
- Traditional phase contrast or bright field images of living unstained biological cells, Figure 3 ( right ), have proved themselves to be very difficult to analyze with image analysis software.
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