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http://dx.doi.org/10.3807/KJOP.2019.30.4.154

Performance Evaluation of Mid-IR Spectrometers by Using a Mid-IR Tunable Optical Parametric Oscillator  

Nam, Hee Jin (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Kim, Seung Kwan (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Bae, In-Ho (Division of Physical Metrology, Korea Research Institute of Standards and Science)
Choi, Young-Jun (Space Science Division, Korea Astronomy and Space Science Institute)
Ko, Jae-Hyeon (School of Nano Convergence Technology, Nano Convergence Technology Center, Hallym University)
Publication Information
Korean Journal of Optics and Photonics / v.30, no.4, 2019 , pp. 154-158 More about this Journal
Abstract
We have used a mid-IR (mid-infrared) continuous-wave (cw) optical parametric oscillator (OPO), developed previously and described in Ref. 12, to build a performance-evaluation setup for a mid-IR spectrometer. The used CW OPO had a wavelength tuning range of $ 2.5-3.6{\mu}m$ using a pump laser with a wavelength of 1064 nm and a fan-out MgO-doped periodically poled lithium niobate (MgO:PPLN) nonlinear crystal in a concentric cavity design. The OPO was combined with a near-IR integrating sphere and a Fourier-transform IR optical spectrum analyzer to build a performance-evaluation setup for mid-IR spectrometers. We applied this performance-evaluation setup to evaluating a mid-IR spectrometer developed domestically, and demonstrated the capability of evaluating the performance, such as spectral resolution, signal-to-noise ratio, spectral stray light, and so on, based on this setup.
Keywords
Optical parametric oscillator; Mid-IR; Mid-IR tunable laser; Mid-IR spectrometer; Performance evaluation;
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Times Cited By KSCI : 1  (Citation Analysis)
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