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  2. Self-phase modulation - Wikipedia

    en.wikipedia.org/wiki/Self-phase_modulation

    Self-phase modulation (SPM) is a nonlinear optical effect of light–matter interaction. An ultrashort pulse of light, when travelling in a medium, will induce a varying refractive index of the medium due to the optical Kerr effect. [1]

  3. Dr. A. P. J. Abdul Kalam Technical University, Lucknow

    en.wikipedia.org/wiki/Dr._A._P._J._Abdul_Kalam...

    Dr. A.P.J. Abdul Kalam Technical University, Lucknow formerly known as Uttar Pradesh Technical University (UPTU), was established by the government of Uttar Pradesh on 8 May 2000 (Act No. 1248 (2)XVII-V-I-I-19-2000 Uttar Pradesh Adhiniyam Sankhya 23 of 2000).

  4. List of colleges affiliated to the Dr. A.P.J. Abdul Kalam ...

    en.wikipedia.org/wiki/List_of_colleges...

    Faculty of Architecture, AKTU(Formerly: Lucknow College of Architecture & GCA) 2 052 Institute of Engineering and Technology(IET) 3 053 Azad Institute of Engineering & Technology 4 054 B.B.D National Institute of Tech. & Management 5 056 Babu Banarasi Das Northern India Institute of Technology 6 057

  5. Spectral density - Wikipedia

    en.wikipedia.org/wiki/Spectral_density

    This includes familiar entities such as visible light (perceived as color), musical notes (perceived as pitch), radio/TV (specified by their frequency, or sometimes wavelength) and even the regular rotation of the earth. When these signals are viewed in the form of a frequency spectrum, certain aspects of the received signals or the underlying ...

  6. Atomic force microscopy - Wikipedia

    en.wikipedia.org/wiki/Atomic_force_microscopy

    Atomic force microscopy [1] (AFM) is a type of SPM, with demonstrated resolution on the order of fractions of a nanometer, more than 1000 times better than the optical diffraction limit. The information is gathered by "feeling" or "touching" the surface with a mechanical probe.

  7. Javelin PDF Reader - Wikipedia

    en.wikipedia.org/wiki/Javelin_PDF_Reader

    Javelin PDF Reader is a full functionality secure PDF reader for Windows, macOS, iOS/iPadOS (iPad and iPhone) and Android, with support for Digital Rights Management (DRM) using encoded and encrypted PDF files in Drumlin's DRMX and DRMZ formats. PDF files that have been converted to the DRMX and DRMZ formats (using the free DrumlinPublisher ...

  8. Scanning probe microscopy - Wikipedia

    en.wikipedia.org/wiki/Scanning_probe_microscopy

    Scanning probe microscopy (SPM) is a branch of microscopy that forms images of surfaces using a physical probe that scans the specimen. SPM was founded in 1981, with the invention of the scanning tunneling microscope , an instrument for imaging surfaces at the atomic level.

  9. Sukhoi Su-25 - Wikipedia

    en.wikipedia.org/wiki/Sukhoi_Su-25

    The Sukhoi Su-25 Grach (Russian: Грач (); NATO reporting name: Frogfoot) is a subsonic, single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi.It was designed to provide close air support for Soviet Ground Forces.