Microstrip photonic crystals used for measuring parameters of liquids

High Multiplicity Frequency Multiplier with Microwave-Switch In-tegrated into Bandpass Filters

“…Первая причина -изме-нение уровня сигнала, прошедшего через полосно-пропускающий фильтр вследствие поглощения или отражения электромагнитной волны от n-i-p-i-n-диодной структуры. Полосно-пропускающий фильтр в данном случае можно рассматривать как разновид-ность фотонного кристалла [14,15]. Вторая причина -изменение положения рабочей точки на вольт-амперной характеристике встречно-включенных умножительных дио-дов (см.…”

Microwave Analogue of Tamm States in Periodic Chain-Like Structures

“…Note that the use of such microstrip structures in the microwaves is a widespread technique now, which made it possible not only to obtain a number of approximate formulas to describe their physical properties, such for example as the resistance [13], but also to develop methods for production of complex microstrip structures with photonic band gap. These structures are direct analogues of known photonic crystals (see, for example, [14]).…”

“…An important feature of the whole line which models our system is its matching. The condition of matching is known, to be the equality of impedances of line subsystems [13] (see also [14], Chapter 1, (12)).…”

“…As a model of our chain-like structure, we use a line which represents a sequence of quadrupoles [13,14]. The structure is a periodic one, namely, it represents a periodic repetition of certain basic "cell" consisting of quadrupoles.…”