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"Dalam penelitian ini, telah dibuat sebuah alat ukur yang dapat mengukur pola distribusi intensitas cahaya. Dengan memanfaatkan fenomena sifat cahaya, penulis ingin mengetahui besar nilai pola distribusi intensitas difraksi pada cahaya laser yag melewati kisi difraksi. Melalui sensor OPT101 akan terukur sinyal listrik yang nantinya akan dihubungkan dengan komputer menggunakan standar komunikasi serial. Mikrokontroler diprogram menggunakan piranti lunak Bascom AVR, sedangkan komputer digunakan untuk menampilkan hasil pengukuran diprogram dengan menggunakan LabView National-Instrument.

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In this experiment, has created a measuring instrument which can measure light intersity distribution pattern. By exploiting the phenomenon of the nature of light, the author would like to know the value of the intensity distribution of the diffraction pattern on laser light that passes through a diffraction grating. Through sensors will OPT101 measurable electrical signal which will be connected to the microcontroller. Then the device will be connected to the computer using a standard serial communication. Microcontroller is programmed using software Bascom Avr, while the computer is used to display the measurement result programmed usig LabVIEW National-Instrument."

"The book has numerous line drawings designed especially for the text and a large number of exercises with solutions at the end of each chapter. This 3rd edition is the translation of the seventh German edition with new chapters focused on crystal chemistry and x-ray diffraction methods."

"This book focuses on state-of-the-art methods and applications of electron-density analysis. It is a field traditionally associated with understanding chemical bonding and the electrostatic properties of matter. Recently, it has also been related to predictions of properties and responses of materials (having an organic, inorganic or hybrid nature as in modern materials and bio-science, and used for functional devices or biomaterials)."