Research Topics
| Takeshi YasuiSummaryAffiliation: Osaka University Country: Japan Publications
| Collaborators
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Detail Information
Publications
Characterization of collagen orientation in human dermis by two-dimensional second-harmonic-generation polarimetryTakeshi Yasui
Osaka University, Graduate School of Engineering Science, Toyonaka, Osaka, 560 8531 Japan
J Biomed Opt 9:259-64. 2004..The proposed method will be a powerful tool for monitoring the microscopic distribution of the collagen fiber orientation in the human dermis...
Real-time terahertz color scanner for moving objectsTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Opt Express 16:1208-21. 2008..The achieved THz-TDS imaging rate is 23,200 pixels per second. This proposed THz-TDS line scanner has the potential to become a powerful tool for monitoring moving objects in various real-world applications...
Determination of collagen fiber orientation in human tissue by use of polarization measurement of molecular second-harmonic-generation lightTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Appl Opt 43:2861-7. 2004..The proposed method provides a powerful research and diagnostic tool for examining the collagen orientation in human tissues...
Ex vivo and in vivo second-harmonic-generation imaging of dermal collagen fiber in skin: comparison of imaging characteristics between mode-locked Cr:forsterite and Ti:sapphire lasersTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama cho, Toyonaka, Osaka 560 8531, Japan
Appl Opt 48:D88-95. 2009..The results indicate the suitability of the Cr:forsterite laser-based SHG microscope for in vivo imaging of human skin...
Observation of dermal collagen fiber in wrinkled skin using polarization-resolved second-harmonic-generation microscopyTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Opt Express 17:912-23. 2009..The method proposed has the potential to become a powerful non-invasive tool for assessment of cutaneous photoaging...
Fiber-based, hybrid terahertz spectrometer using dual fiber combsTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama cho, Toyonaka, Osaka 560 8531, Japan
Opt Lett 35:1689-91. 2010..The spectrometer features compactness, robustness, flexibility, and cost effectiveness, in addition to high spectral resolution in rapid data acquisition, and has the potential to become a powerful tool for practical applications...
In vivo observation of age-related structural changes of dermal collagen in human facial skin using collagen-sensitive second harmonic generation microscope equipped with 1250-nm mode-locked Cr:Forsterite laserTakeshi Yasui
Osaka University, Graduate School of Engineering Science, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
J Biomed Opt 18:31108. 2013..The in vivo collagen-sensitive SHG microscope will be a powerful tool in fields such as cosmeceutical sciences and anti-aging dermatology...
In vivo observation of age-related structural changes of dermal collagen in human facial skin using collagen-sensitive second harmonic generation microscope equipped with 1250-nm mode-locked Cr:Forsterite laserTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
J Biomed Opt 18:031108. 2013..The in vivo collagen-sensitive SHG microscope will be a powerful tool in fields such as cosmeceutical sciences and anti-aging dermatology...
Widely and continuously tunable terahertz synthesizer traceable to a microwave frequency standardTakeshi Yasui
Graduate School of Engineering Science, Osaka University, Osaka, Japan
Opt Express 19:4428-37. 2011..This THz synthesizer will be a powerful tool for broadband, high-precision THz spectroscopy and THz frequency metrology...
In vivo visualization of dermal collagen fiber in skin burn by collagen-sensitive second-harmonic-generation microscopyRyosuke Tanaka
Osaka University, Graduate School of Engineering Science, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
J Biomed Opt 18:61231. 2013..These results and discussions imply a potential of SHG microscopy as a minimally invasive, highly quantitative tool for skin burn assessment...
Terahertz spectrum analyzer based on a terahertz frequency combShuko Yokoyama
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Opt Express 16:13052-61. 2008..This spectrum analyzer has the potential to become a powerful tool for THz frequency metrology...
Enhancement of spectral resolution and accuracy in asynchronous-optical-sampling terahertz time-domain spectroscopy for low-pressure gas-phase analysisTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Opt Express 20:15071-8. 2012..ASOPS-THz-TDS will open a new door to gas-phase spectroscopy of multiple chemical species in the field of atmospheric gas analysis...
A distance meter using a terahertz intermode beat in an optical frequency combShuko Yokoyama
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Opt Express 17:17324-37. 2009..820 microm from its phase measurement. Absolute distance measurement using 1.056 THz and 8.187 GHz intermode beats was also demonstrated in the range of 10 mm, resulting in a precision of 0.688 microm...
Absolute distance measurement of optically rough objects using asynchronous-optical-sampling terahertz impulse rangingTakeshi Yasui
Graduate School of Engineering Science, Osaka University, 1 3 Machikaneyama, Toyonaka, Osaka 560 8531, Japan
Appl Opt 49:5262-70. 2010..The reported method will become a powerful tool for nondestructive inspection of large-scale structures...
