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- Szu-Yu Chen, Shee-Uan Chen, Hai-Yin Wu, Wen-Jeng Lee, Y H Liao, Chi-Kuang Sun
- IEEE Journal of Selected Topics in Quantum…
- 2010
Higher harmonic generation microscopy (HHGM), combining both second- and third-harmonic generation (SHG and THG) modalities, is a new paradigm for in vivo noninvasive virtual biopsy. With the ability… (More)
- Stephanie Wai Ling Chu, I. H. Chen, Thomas M. Liu, Po Cheng Chen, Chi-Kuang Sun, Betty L. Lin
- Optics letters
- 2001
We demonstrate a novel multimodal nonlinear spectral microscopy based on a femtosecond Cr:forsterite laser at 1230 nm. By acquiring the whole nonlinear spectrum in the visible and near-NIR region,… (More)
- Jin-Wei Shi, Chi-Kuang Sun
- Journal of Lightwave Technology
- 2000
Long-absorption-length traveling-wave-photodetectors (TWPDs) are requisite for high-power and high-speed applications. In the long absorption length regime, some previously negligible bandwidth… (More)
- Li-Jin Chen, Hong Chen, Tara Kao, Ja-Yu Lu, Chi-Kuang Sun
- Optics letters
- 2006
We report a simple subwavelength-diameter plastic wire, similar to an optical fiber, for guiding a terahertz wave with a low attenuation constant. With a large wavelength-to-fiber-core ratio, the… (More)
- Chi-Kuang Sun, Shi-Wei Chu, +4 authors Huai-Jen Tsai
- Journal of structural biology
- 2004
Optical higher harmonic generation, including second harmonic generation and third harmonic generation, leaves no energy deposition to its interacted matters due to an energy-conservation… (More)
- Chih-Hsien Lai, Borwen You, +4 authors Hung-chun Chang
- Optics express
- 2010
Modal characteristics of the THz pipe waveguide, which is a thin pipe consisting of a large air core and a thin dielectric layer with uniform but low index, are investigated. Modal indices and… (More)
- Szu-Yu Chen, Hai-Yin Wu, Chi-Kuang Sun
- Journal of biomedical optics
- 2009
The ability to in vivo image deep tissues noninvasively with a high resolution is strongly required for optical virtual biopsy. Higher harmonic generation microscopy, combined with second- and… (More)
- Shih-Peng Tai, Wen-Jeng Lee, +4 authors Chi-Kuang Sun
- Optics express
- 2006
The first in vivo optical virtual biopsy based on epi-third-harmonic-generation (THG) microscopy is successfully demonstrated using Syrian hamster oral mucosa as a model system. Without complex… (More)
- Cho-Shuen Hsieh, C Ko, +4 authors Chi-Kuang Sun
- Journal of biomedical optics
- 2008
Gene expression plays an important role in embryo development and organ function. Previous studies have shown that harmonic generation microscopy (HGM) can be used as a fluorescence… (More)
- Hong Chen, Chui-Min Chiu, +5 authors Chi-Kuang Sun
- Journal of Lightwave Technology
- 2009
We demonstrate a terahertz (THz) directional coupler for future THz applications including THz power dividers, THz communications, and THz fiber-endoscopes. By using subwavelength polyethylene… (More)