产品描述:
Q8344A是一台测试波长范围0.35 - 1.75 μm的光谱分析仪。由于它使用了傅立叶光谱系统,并带有麦克尔逊干涉仪,因此它能测量相干光。而这是采用单色光仪的色散光谱系统所不能达到的。这些特点使得Q8344A非常适合在诸如CD、VCD及其他领域中所使用的激光二极管等光学器件的测试。
内置He-Ne激光器作为标准波长,从而达到了± 0.1 nm (1.3 μm)的波长精度,在没有波长校正也能确保长期的测试稳定性。
主要特点:
1.连续测量
2.1.5秒/扫描的高速测量
3.0.35μm到1.75μm的宽波长范围
4.0.1nm的波长测量精度
5.高速测试:1.5秒/次
6.最大波长分辨率:0.05 nm
The Q8344A makes use of a Fourier spectrum analysis approach based on a Michelson interferometer. Because of this, the Q8344A can measure optical coherence that cannot be obtained directly using diffraction-type optical spectrum analyzers which use monochromators to make their measurements.
The features of this analyzer make it very effective for the evaluation of laser diodes used in optical data storage equipment, fiber optic gyroscopes, and related applications. The Q8344A has a built-in He-Ne laser that functions as the wavelength reference and ensures the wavelength measurement accuracy is maintained within +/- 0.1 nm (at 1.3 micro m). Because of this internal reference source, no calibration is needed, thereby allowing this analyzer to provide long-term repeatable measurements.
This instrument is exceptionally well suited to the measurement of coherence length of LD and LED optical sources operated in continuous wave mode only.
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