The range of measurable optical wavelengths and resolvable wavelength interval are discussed with considering the period length of waveguide holographic grating and parameters of CCD detector.

• 讨论了波长测量范围和光谱分辨率。给出了在设计波导光栅、确定探测器时应该考虑的几个问题。对系统测量误差进行了分析。