Single-Frequency-Mode Q-Switched Nd:YAG Laser Controlled by Volume Bragg Gratings

2008 ◽  
Author(s):  
N. Vorobiev ◽  
V. Smirnov ◽  
L. Glebov
Keyword(s):  
Nd:Yag Laser ◽  
Bragg Gratings ◽  
Frequency Mode ◽  
Single Frequency ◽  
Volume Bragg Gratings

Single Frequency Mode Laser Controlled by Volume Bragg Gratings

2009 ◽  
Vol 36 (11) ◽  
pp. 2805-2807
Author(s):  
惠勇凌 Hui Yongling ◽  
李强 Li Qiang ◽  
张翔 Zhang Xiang ◽  
姜梦华 Jiang Menghua
Keyword(s):  
Bragg Gratings ◽  
Frequency Mode ◽  
Single Frequency ◽  
Mode Laser ◽  
Volume Bragg Gratings

Minimizing residual spectral drift in laser diode bars using femtosecond-written volume Bragg gratings in fused silica

2017 ◽  
Vol 42 (3) ◽  
pp. 623 ◽  
Author(s):  
Daniel Richter ◽  
Malte P. Siems ◽  
Wilko J. Middents ◽  
Maximilian Heck ◽  
Thorsten A. Goebel ◽  
...  
Keyword(s):  
Laser Diode ◽  
Bragg Gratings ◽  
Fused Silica ◽  
Volume Bragg Gratings

scholarly journals Precise Point Positioning Using Dual-Frequency GNSS Observations on Smartphone

Sensors ◽  
2019 ◽  
Vol 19 (9) ◽  
pp. 2189 ◽  
Author(s):  
Qiong Wu ◽  
Mengfei Sun ◽  
Changjie Zhou ◽  
Peng Zhang
Keyword(s):  
Precise Point Positioning ◽  
Frequency Mode ◽  
Single Frequency ◽  
Dual Frequency ◽  
Static Mode ◽  
Position Errors ◽  
Point Positioning ◽  
Similar Accuracy ◽  
Positioning Algorithm ◽  
Gnss Observations

The update of the Android system and the emergence of the dual-frequency GNSS chips enable smartphones to acquire dual-frequency GNSS observations. In this paper, the GPS L1/L5 and Galileo E1/E5a dual-frequency PPP (precise point positioning) algorithm based on RTKLIB and GAMP was applied to analyze the positioning performance of the Xiaomi Mi 8 dual-frequency smartphone in static and kinematic modes. The results showed that in the static mode, the RMS position errors of the dual-frequency smartphone PPP solutions in the E, N, and U directions were 21.8 cm, 4.1 cm, and 11.0 cm, respectively, after convergence to 1 m within 102 min. The PPP of dual-frequency smartphone showed similar accuracy with geodetic receiver in single-frequency mode, while geodetic receiver in dual-frequency mode has higher accuracy. In the kinematic mode, the positioning track of the smartphone dual-frequency data had severe fluctuations, the positioning tracks derived from the smartphone and the geodetic receiver showed approximately difference of 3–5 m.

Widely tunable dual-wavelength operation of a high-power Tm:fiber laser using volume Bragg gratings

2010 ◽  
Vol 35 (14) ◽  
pp. 2388 ◽  
Author(s):  
Fei Wang ◽  
Deyuan Shen ◽  
Dianyuan Fan ◽  
Qisheng Lu
Keyword(s):  
High Power ◽  
Bragg Gratings ◽  
Dual Wavelength ◽  
Volume Bragg Gratings

Effect of aberrations in a holographic system on reflecting volume Bragg gratings

2013 ◽  
Vol 52 (32) ◽  
pp. 7826 ◽  
Author(s):  
Marc SeGall ◽  
Daniel Ott ◽  
Ivan Divliansky ◽  
Leonid B. Glebov
Keyword(s):  
Bragg Gratings ◽  
Volume Bragg Gratings

Enhanced self-mixing interferometry based on volume Bragg gratings and laser diodes emitting at 405-nm wavelengths

2017 ◽  
Vol 42 (11) ◽  
pp. 2221 ◽  
Author(s):  
Victor Contreras ◽  
Juha Toivonen ◽  
Horacio Martinez
Keyword(s):  
Laser Diodes ◽  
Bragg Gratings ◽  
Volume Bragg Gratings
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