Yb CaF2 laser crystals

Product Overview

Description

YbCaF₂  laser crystals

Yb:CaF₂is a good materials for use in diode-pumped femtosecond (fs) lasers and amplifiers.

 

Features:

•   Low quantum defect

•   Long fluorescence lifetime

•   High optical-to-optical conversion efficiencies

l  Absorption peak wavelength 980nm

l  Long fluorescence lifetime 2.4ms

l  Dopant concentration

l  Index homogeity<5ppm

 

Meta-Photonics Yb:CaF2 Crystals

 

1.Absorption coefficient: 0.5~3.0cm-1;

2.Maximal Size: dia95mm

 

3. Custom design prouction (special doping concentration,      shape, coating) is available.

 

Specification

 

Parameters of Materials
Materials	Yb:CaF2
Transmission	1%,3%,5%,10%
Orientation	<111>or<100>
Coatings	AR/AR@940+1030nm,S1,S2:R<0.2%@1030nm.

 

Polishing  Specification for  Laser Grade
Orientation Tolerence	< 0.5°
Thickness/Diameter Tolerance	±0.05 mm
Surface Flatness	<λ/8@632nm
Wavefront Distortion	<λ/4@632nm
Surface Quality	10/5
Parallel	30
Perpendicular	15
Clear Aperture	>90%
Chammfer	<0.2×45°

 

 

 

 Room-temperature emission spectra of Yb:CaF2 and Yb:Na:CaF2 at various  codoping levels

 

 

Absorption and emission cross-section spectra of Yb3+-doped CaF2, SrF2 and BaF2 at 77 K 

 

 

 

Spectroscopic and laser parameters