Development of compatible air-gap etalons used with both terahertz wave and near-infrared light

Abstract

We have developed compatible air-gap etalons that can be used with both terahertz (THz) waves and near-infrared (NIR) light. The free spectral ranges for a THz wave and NIR light were in good agreement. This result shows that the air-gap etalons can be used to link the frequencies of two rays. This new type of etalon has potential for use as a simple and… (More)

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