Spectrum line-width indicates the distribution of wavelength, and the narrower the spectrum line-width, the higher the wavelength isolation. Variation of the oscillation frequency affects the optical spectrum line-width.
* As for our tunable laser light source, a band pass filter or a grating filter is used in an optical wavelength variable mechanism, and it has capabilities of creating a high-level narrow optical spectrum line-width with excellent monochromatic and the high stability level over a short period of time.
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* The spectrum is measured with heterodyning method, and it is double than real width. Therefore real width is half than indication width.