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首页> 外文会议>Conference on optics and photonics for information processing >EFFECT OF RATE OF CHANGE OF FREQUENCY CHARACTERISTICS OF THE OPTICAL SPECTRAL DEVICE BASED ON ACOUSTO-OPTIC TUNABLE FILTER
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EFFECT OF RATE OF CHANGE OF FREQUENCY CHARACTERISTICS OF THE OPTICAL SPECTRAL DEVICE BASED ON ACOUSTO-OPTIC TUNABLE FILTER

机译：基于声光可调滤光片的光谱器件频率特性变化率的影响

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摘要

We consider the analysis of the spectra of the dynamic signal optical range by the methods of acousto-optics at light diffraction by a traveling acoustic wave excited by a periodic sequence of radio pulses with a rectangular envelope and a linear variation of the instantaneous frequency. The procedure of the linear approximation of the acousto-optic interaction is described. Acousto-optic interaction is thought of as a bilinear transformation of the spectral components, which are radio signal and optical radiation. It is shown that from the bilinear spectral transformation ensue relations, describing the spectral processing or radio or optical signal as a result of diffraction on grating structure formed by traveling acoustic wave. The problem of spectrum analysis of optical signals by optical spectral device based on acousto-optic tunable filter is considered separately. An expression allowing to investigating in detail the possibility of such an optical spectral device is obtained.
机译：我们考虑用声光方法对动态信号光学范围的光谱进行分析，该方法是通过由矩形矩形包络和瞬时频率线性变化的无线电脉冲的周期性序列激发的行进声波在光衍射时进行声光分析。描述了声光相互作用的线性逼近过程。声光相互作用被认为是频谱分量的双线性变换，频谱分量是无线电信号和光辐射。从双线性光谱变换的关系可以看出，描述了由传播的声波形成的光栅结构上的衍射结果引起的光谱处理或无线电或光信号。分别考虑了基于声光可调滤波器的光谱装置对光信号进行光谱分析的问题。获得允许详细研究这种光谱装置的可能性的表达。

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