scholarly journals Characterization of High-power DFB-MOPA Diode Lasers Emitting at 1064 nm

2019 ◽  
Vol 29 (1) ◽  
pp. 47
Author(s):  
Thanh-Phuong Nguyen
Keyword(s):  
Output Power ◽  
Laser Diode ◽  
High Power ◽  
Room Temperature ◽  
Beam Quality ◽  
Diode Lasers ◽  
Spectral Characteristics ◽  
Far Field ◽  
Optical Output

Detail characterization of the such laser diode is important for the applications. Electro-Optical and spectral characteristics of the high power 1064 nm DFB-MOPA lasers are investigated at room temperature as function of injection current. Beam quality is characterized by waist diameter and far-field divergence angle versus average optical output power. Beam propagation ratio M2 is defined at difference intensity levels from lateral beam profile giving more detail laser behaviors at high power.

scholarly journals Spectral Linewidth vs. Front Facet Reflectivity of 780 nm DFB Diode Lasers at High Optical Output Power

2018 ◽  
Vol 8 (7) ◽  
pp. 1104 ◽  
Author(s):  
Thanh-Phuong Nguyen ◽  
Hans Wenzel ◽  
Olaf Brox ◽  
Frank Bugge ◽  
Peter Ressel ◽  
...  
Keyword(s):  
Output Power ◽  
Diode Lasers ◽  
Substantial Reduction ◽  
Distributed Feedback ◽  
Optical Output ◽  
Spectral Linewidth ◽  
Facet Reflectivity ◽  
Simulation Results ◽  
Front Facet

The influence of the front facet reflectivity on the spectral linewidth of high power DFB (distributed feedback) diode lasers emitting at 780 nm has been investigated theoretically and experimentally. Characterization of lasers at various front facet reflections showed substantial reduction of the linewidth. This behavior is in reasonable agreement with simulation results. A minimum linewidth of 8 kHz was achieved at an output power of 85 mW with the laser featuring a front facet reflectivity of 30%. The device with a front facet reflectivity of 5% reached the same linewidth value at an output power of 290 mW.

600 mW optical output power at 488 nm using a high power hybrid laser diode system and a PPMgLN bulk crystal

2006 ◽  
Author(s):  
Sven Schwertfeger ◽  
Martin Maiwald ◽  
Reiner Güther ◽  
Bernd Sumpf ◽  
Katrin Paschke ◽  
...  
Keyword(s):  
Output Power ◽  
Laser Diode ◽  
High Power ◽  
Bulk Crystal ◽  
Optical Output Power ◽  
Optical Output ◽  
Diode System

600 mW optical output power at 488 nm by use of a high-power hybrid laser diode system and a periodically poled MgO:LiNbO3 bulk crystal

2006 ◽  
Vol 31 (6) ◽  
pp. 802 ◽  
Author(s):  
Martin Maiwald ◽  
Sven Schwertfeger ◽  
Reiner Güther ◽  
Bernd Sumpf ◽  
Katrin Paschke ◽  
...  
Keyword(s):  
Output Power ◽  
Laser Diode ◽  
High Power ◽  
Bulk Crystal ◽  
Periodically Poled ◽  
Optical Output Power ◽  
Optical Output ◽  
Diode System

Experimental Investigation of Limits to Slow Axis Beam Quality in High Power Broad Area Diode Lasers

2014 ◽  
Author(s):  
M. Winterfeldt ◽  
P. Crump ◽  
H. Wenzel ◽  
G. Erbert ◽  
G. Trankle
Keyword(s):  
Experimental Investigation ◽  
High Power ◽  
Beam Quality ◽  
Diode Lasers ◽  
Broad Area ◽  
Slow Axis

scholarly journals A novel technique for improving beam quality of high power laser diode arrays

2007 ◽  
Vol 56 (10) ◽  
pp. 5831
Author(s):  
Su Zhou-Ping ◽  
Lou Qi-Hong ◽  
Dong Jing-Xing ◽  
Zhou Jun ◽  
Wei Yun-Rong
Keyword(s):  
Laser Diode ◽  
High Power ◽  
Beam Quality ◽  
High Power Laser ◽  
Power Laser ◽  
Novel Technique ◽  
Laser Diode Arrays ◽  
High Power Laser Diode

975 nm high power diode lasers with high efficiency and narrow vertical far field enabled by low index quantum barriers

2010 ◽  
Vol 96 (13) ◽  
pp. 131110 ◽  
Author(s):  
P. Crump ◽  
A. Pietrzak ◽  
F. Bugge ◽  
H. Wenzel ◽  
G. Erbert ◽  
...  
Keyword(s):  
High Power ◽  
High Efficiency ◽  
Diode Lasers ◽  
Far Field ◽  
Power Diode
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