نتایج جستجو برای: inscription
تعداد نتایج: 1465 فیلتر نتایج به سال:
Quranic inscriptions are among the decorative elements commonly used in Islamic architecture. This is largely due to the fact that among the Islamic visual arts, calligraphy is the most related with holy Quran. Through calligraphy, the Holy Speech is represented before the viewers’ eyes. In addition to immediate conveying of the holy message, the Islamic calligraphy meets, spiritually, an...
Using point-by-point femtosecond laser inscription, a fibre Bragg grating (FBG) was written in a high NA germania-doped fibre. Thermal tests demonstrated that the FBG could withstand temperatures up to 800°C without significant effects on reflectivity. OCIS codes: (060.3735) Fibre Bragg gratings; (320.2250) Femtosecond phenomena
We study numerically depressed-index cladding, buried, micro-structured optical waveguides that can be formed in a lithium niobate crystal by femtosecond laser writing. We demonstrate to which extent the waveguiding properties can be controlled by the waveguide geometry at the relatively moderate induced refractive index contrasts that are typical of the direct femtosecond inscription.
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