Published July 1, 2018 | Version v1
Journal article Metadata-only

Graphene Q-switched 1.4 µm solid state laser

Creators

  • 1. School of Physics and Physical Engineering, Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Qufu Normal University, Qufu 273165 (China)
  • 2. State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100 (China)
  • 3. Institute of Science Technology for National Defence, Shandong University, Jinan 250100 (China)
  • 4. Jiangsu Key Laboratory of Advanced Laser Material and Device, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116 (China)
  • 5. School of Physics Science and Engineering, Institute for Advanced Study, Tongji University, Shanghai 200092 (China)

Description

An LD pumped Nd:LuGdAG (Nd:Lu2.9Gd0.1Al5O12) eye-safe laser is reported in this paper for the first time. Using a plano-concave resonator, maximum continuous wave output powers of 1.00 and 1.05 W were obtained under an absorbed pump power of 8.52 W for T  =  2%–3% and 5%–7%, corresponding to an optical to optical conversion efficiency of 12.3% and 11.7% and a slope efficiency of 14.5% and 13.6%. With five to seven layers of graphene saturable absorber, passively Q-switched 1444 nm operation was achieved for the first time. The maximum average output power found was 0.29 W with 324 ns as the shortest pulse width and a highest repetition rate of 64 kHz. (letter)

Availability note (English)

Available from http://dx.doi.org/10.1088/1612-202X/aabf1e

Additional details

Identifiers

DOI
10.1088/1612-202X/aabf1e;

Publishing Information

Journal Title
Laser Physics Letters (Internet)
Journal Volume
15
Journal Issue
7
Journal Page Range
[4 p.]
ISSN
1612-202X

INIS

Country of Publication
Germany
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
52027901
Subject category
S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; S77: NANOSCIENCE AND NANOTECHNOLOGY;
Descriptors DEI
ALUMINIUM OXIDES; EFFICIENCY; GADOLINIUM; GRAPHENE; KHZ RANGE; LAYERS; LINE WIDTHS; LUTETIUM; NEODYMIUM; PULSES; PUMPING; Q-SWITCHING; RESONATORS; SOLID STATE LASERS
Descriptors DEC
ALUMINIUM COMPOUNDS; CARBON; CHALCOGENIDES; ELECTRONIC EQUIPMENT; ELEMENTS; EQUIPMENT; FREQUENCY RANGE; LASERS; METALS; NONMETALS; OXIDES; OXYGEN COMPOUNDS; RARE EARTHS