Optical pulse tester

Provided is an optical pulse tester for testing characteristics of an optical fiber on the basis of return light obtained by causing an optical pulse to be incident on the optical fiber, the optical pulse tester comprising: a plurality of light source elements for emitting optical pulses of mutually different wavelength bands; a plurality of light receiving elements arranged corresponding to the plurality of light source elements; a first spatial optical system that spatially multiplexes the wavelengths of the light pulses emitted from the plurality of light source elements and emits the light pulses to an optical fiber; and a second spatial optical system that spatially separates the wavelength of the return light from the optical fiber and emits the light to the plurality of light receiving elements. 本发明提供一种光脉冲测试仪，基于使光脉冲入射到光纤而得到的返回光来测试光纤的特性，该光脉冲测试仪包括：多个光源元件，射出相互不同波段的光脉冲；多个受光元件，与多个光源元件对应设置；第一空间光学系统，将从多个光源元件射出的光脉冲在空间上进行波长合波并入射到光纤；以及第二空间光学系统，将来自光纤的返回光在空间上进行波长分离并入射到多个受光元件。