1.54μM Eye Safe Lasers Photonics Switching Magnesium Spinel MgAl2O4

Double Side Polished Co2+:MgAl2O4 Single Crystal Substrate

Nanocrystalline Co2+-doped magnesium aluminate spinel (MgAl2O4) has been synthesized for the first time from aqueous solution of metal nitrates containing citric acid as chelating agent by a sol-gel method. The gel was heat-treated at temperatures ranging from 710°C to 1000°C. The heated powder samples were characterized by X-ray diffraction analysis (XRD), transmission electron microscope (TEM), infrared (IR) and absorption spectroscopy. The results showed that the homogeneous nanocrystalline Co2+: MgAl2O4 could be obtained at the low temperature of 710°C. The optimal temperature is about 900°C and the average size of the powder grains is 50 nm or so. In the absorption spectrum, a broad absorption band from 1200 nm to 1600 nm was found, which indicated the existence of Co2+ in the tetrahedral sites because of the 4A2(4F) → 4T(4F) transition of Co2+.

Co2+:MgAl2O4 Single Crystal Substrate Main Properties:

Co2+:MgAl2O4 Single Crystal Substrate Brief Introduction:

• Co2+:MgAl2O4 (Co2+:Spinel or Co:MALO) crystals is a new material for passive Q-switching in lasers emitting from 1.2 to 1.6 µm, in particular, for eye-safe 1.54 µm Er:glass laser, but also works at 1.44 µm and 1.34 µm wavelengths.
• High absorption cross section (3.5 × 10-19cm2) permits Q-switching of Er:glass laser without intracavity focusing both with flash-lamp and diode-laser pumping.
• Negligible excited-state absorption results in high contrast of Q-switch, i.e. the ratio of initial (small signal) to saturated absorption is higher than 10.
• We offer the high quality Co:Spinel crystals materials with high optical quality and uniform distribution of Co2+ in laser grade polishing and coatings.

• Suitable for 1540 nm eye-safe lasers
• High absorption section
• Negligible excited state absorptio
• High optical quality
• Uniformly distributed Co

About US

Crystro has perfect automatic production equipment, the current products are mainly concentrated in the YAG, TGG, TSAG,GGG, LGS, Ce:GAGG , Ce:YAG andCe: LuYAG production. the application of advanced process technology of manufacturing, reducing energy consumption to ensure sustainable development field of research and development.

Anhui Crystro Crystal Materials Co., Ltd. is specialized in research and development of crystal science and technology,we located at Anhui Province,Hefei City.

Our business scope mainly concentrated in high-tech crystal materials research and development, manufacture and multidisciplinary solutions. The service industries include: communications, aerospace, automobile, medical, beauty and other industries.

Crystro has perfect automatic production equipment, the current products are mainly concentrated in the YAG, TGG, TSAG,GGG , LGS,Ce:GAGG ,Ce:YAG andCe: LuYAG production.

the application of advanced process technology of manufacturing,reducing energy consumption to ensure sustainable development field of research and development.

Crystro established a crystal research center and developed different kinds of crystals according to customer and markets' requirments.

We provide technical support and training for new applications and product development.