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Co^2+:MgAl2O4 Crystals Passive Q-Switch Crystals Can be Customized

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Co^2+:MgAl2O4 Crystals Passive Q-Switch Crystals Can be Customized

Co^2+:MgAl2O4 is a relatively 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. Spinel is a hard, stable crystal that polishes well. Cobalt substitutes readily for magnesium in the Spinel host without the need for additional charge compensation ions. High absorption cross section (3.5×10-19 cm²) 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. 

메모:
1. This is a customized product.
2. $55 is a deposit, not the final price of the product.
3. The main factors affecting the price: quantity, size, processing index.
4. Please provide crystal processing drawings or crystal size, membranes, quantity, processing index. (Contact us
5. Crystal customization time: 3~6 weeks.
6. 보증:1 year

Features:
1. High optical quanlity.
2. With uniform Co distribution.
3. High absorption cross section.
4. Negligible excited-state absorption.

Cospinel Specifications:

Prameter Value
Orientation The rod axis is along [111] within5°
Co concentration 0.05 atm% ~ 0.3 atm%
OD(Optical density) 0.1 ~ 0.9
Absorption coefficient 1.0cm^-1~7 cm^-1
Initial transmission 30% ~ 99%
Cross Section 3.5 x 10^-19cm²
Flatness λ /8 @ 633 nm
Chamfer <0.1mm@45deg
Chips <0.1mm
Parallelism 10 arc sec
Perpendicularity 5 arc minutes
Surface finishing 10/5 scratch/dig to MIL-O-13830A
Wavefront distortion λ/8 @ 633 nm
Coating AR/HR/PR coating upon customer’s request.

 

Q-switch crystals

Q-switch crystals

Q-switch crystals

Q-switch crystals

Q-switch crystals
 






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