Zobrazeno 1 - 10
of 52
pro vyhledávání: '"Byung-Heon Cha"'
Publikováno v:
International Journal of Gerontology, Vol 6, Iss 2, Pp 127-130 (2012)
Background: The relationship between smoking and mortality in elderly people, especially in women, is unclear. The present paper examines the association between smoking and the risk of mortality due to all causes of death with a special focus on car
Externí odkaz:
https://doaj.org/article/943d403d5f8d4706b1885b2dad1c0b9c
Publikováno v:
Optics Communications. 380:446-451
A simulation method of the beam quality for a high-power zigzag slab laser has been developed. This method can predict the wavefront distortion and beam quality for various optical arrangements and optimize the design effectively. A Nd:YAG zigzag sla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8133ab8f86ffa300f81061e66fd479b4
https://doi.org/10.1016/j.optcom.2016.06.052
https://doi.org/10.1016/j.optcom.2016.06.052
Publikováno v:
International Journal of Gerontology, Vol 6, Iss 2, Pp 127-130 (2012)
summary Background: The relationship between smoking and mortality in elderly people, especially in women, is unclear. The present paper examines the association between smoking and the risk of mortality due to all causes of death with a special focu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54308df20c1c755f436465263a39ecad
http://www.sciencedirect.com/science/article/pii/S187395981200083X
http://www.sciencedirect.com/science/article/pii/S187395981200083X
Autor:
Sungman Lee, Gwon Lim, Sung-Hoon Baik, Sung-Ok Kwon, Jung-Hwan Lee, Eung-Cheol Kang, Byung-Heon Cha, Yong-Ho Cha
Publikováno v:
Journal of the Optical Society of Korea. 16:53-56
We have developed a slab-type Nd:YAG gain module based on the techniques of conduction cooling and end pumping. The Nd:YAG slab is end-capped on both ends by undoped pure YAG and is pumped through the end-caps by stacked arrays of laser diode bars. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7f81aa95ad861163f0e32dfc7e6e589d
https://doi.org/10.3807/josk.2012.16.1.053
https://doi.org/10.3807/josk.2012.16.1.053
Publikováno v:
Optics & Laser Technology. 39:262-267
A modified center position detection algorithm of the spot image for the Shack–Hartmann wavefront sensor was experimentally investigated. The modified center of weight algorithm uses some power from the gray level intensity of the spot images inste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02f989b6d123b36e73306f82fdef8e45
https://doi.org/10.1016/j.optlastec.2005.08.005
https://doi.org/10.1016/j.optlastec.2005.08.005
Publikováno v:
Hankook Kwanghak Hoeji. 18:66-73
The various output characteristics of a pulsed Ti:sapphire laser oscillator with a plane-parallel resonator, pumped longitudinally by the second harmonic wave of a Nd:YAG laser, and the output of a Ti:sapphire laser amplifier operated along the singl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdca2c0af1a8751e8a62238727b98195
https://doi.org/10.3807/hkh.2007.18.1.066
https://doi.org/10.3807/hkh.2007.18.1.066
Publikováno v:
Optics & Laser Technology. 36:265-271
We analyzed a linear cavity for intracavity frequency doubling of a diode-pumped acousto-optic Q-switched Nd:YAG rod laser, and showed that a green laser beam with a short pulse width can be generated efficiently. A green laser output power of 73 W c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d887789cdfe1def24d6862b2e7784b31
https://doi.org/10.1016/j.optlastec.2003.09.007
https://doi.org/10.1016/j.optlastec.2003.09.007
Publikováno v:
Optics & Laser Technology. 34:445-448
A substantial increase in the photostability of pyrromethene 567 laser dye solutions and in solid polymer media has been achieved by the addition of coumarin C540 laser dye. Up to five times increase in photostability of pyrromethene 567 in solid and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a4e30fba5bf75056e43506488a1c251
https://doi.org/10.1016/s0030-3992(02)00034-8
https://doi.org/10.1016/s0030-3992(02)00034-8
Publikováno v:
Japanese Journal of Applied Physics. 41:4547-4552
A diode-pumped Yb:YAG rod laser is designed using a fivefold symmetric diffusive optical cavity to improve the pump absorption efficiency of the pump power. By using a ray-tracing method, the optimum design parameters for the doping density, the radi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::212a90bbfa9084fa714bb1256d1756bf
https://doi.org/10.1143/jjap.41.4547
https://doi.org/10.1143/jjap.41.4547
Publikováno v:
Journal of Physics D: Applied Physics. 35:1473-1476
The photostability of rhodamine 6G, rhodamine 610 and pyrromethene 567 in solutions, wet-gel and dried sol-gel host media has been determined. A method for the synthesis of xerogel monoliths has been modified to reduce the preparation time for the do
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17de2236a31924ab1ea0466e1083c6ce
https://doi.org/10.1088/0022-3727/35/13/303
https://doi.org/10.1088/0022-3727/35/13/303