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Erbium glass (Er Yb Glass)

Current Position: Home » Products » Erbium glass (Er Yb Glass)
Erbium glass (Er Yb Glass)

Er,Yb:Glass/Er, Yb, Cr: Glass glass product, also known as erbium glass, is a kind of laser glass with good comprehensive performance. Er3+, Yb3+ co-doped phosphate glass (Er, Yb: phosphate glass) is a well-known and commonly used active medium for emitting laser microns in the “eye safe” spectral range of 1.5-1.6 um. Laser generation and signal amplification, because the wavelength of 1540nm is just located at the position of human eye safety and optical fiber communication window. 1540nm laser has been widely used in range finder, radar, target recognition and other fields. Phosphate glass combines the long-lived (~8 ms) laser level on 4I13/2 Er3+ with the low-lived (2-3 ms) 2F5/2 excited state of 4I11/2 Er3+ level resonant with Yb3+. The fast nonradiative multiphonon relaxation from 4I11/2 to 4I13/2 is due to the interaction between Yb3+ and Er3+ ions excited at 2F5/2 and 4I11/2 levels, respectively, which greatly reduces the reverse energy transfer and up conversion losses. Er3+/Yb3+ co-doped phosphate glass as LD pumped 1540nm eye safe radiation source can emit eye safe 1540nm laser radiation directly used in laser rangefinders and telecommunications. Er, Yb glass laser with 1540nm wavelength radiation output does not need to add additional components. As an eye safe wavelength laser, 1540um, Er3+/Yb3+ co-doped phosphate glass laser has attracted much attention because of its compactness and low cost. Eat14: Yb3+, Er3+ co-doped phosphate glass, suitable for high repetition rate (1-6Hz) laser diode pumped 1535nm laser. High Yb3+ doping can be achieved in this eat14 glass.

FEATURES

  • Eye safety
  • High optical quality
  • Long fluorescent life
  • Absorption band is wide
  • The slope of high efficiency

Laser Specifications

 EAT14 WM4
The cross section of stimulated emission(10-20cm20.80.75
7.7-8.07.7-8.2
Central laser wavelength(nm)15351535

Optical Properties

 EAT14WM4
Refractive Index(1535nm)1.5241.528
Refractive Index(d 589.3nm)1.5321.536
Abbe number6666
dn / dT(10-6 /℃)(20〜100℃)-1.72-3

Thermal Specification

 EAT14 WM4
Transition Temperature(℃)556530
Softening Temperature(℃)605573
Linear Coefficient of Thermal Expansion(10 -7/ K)(20〜100℃)8782
Linear Coefficient of Thermal Expansion(10-7 / K)(100〜300℃)9596
Thermal Coefficient of Optical Path Length(10-6/ K)(20〜100℃)2.91.4
Thermal Conductivity(25℃)(W / mK)0.70.7

Other Specifications

 EAT14WM4
Density g / cm33.062.83
Chemical Durability (weight loss in 100℃ distilled water)(μg/ hr.cm25282

Polishing Specifications

Orientation Tolerance< 0.5°
Thickness/Diameter Tolerance±0.05 mm
Surface Flatness<λ/8@632 nm
Wavefront Distortion<λ/4@632 nm
Surface Finish5-Oct
Parallelism10〞
Perpendicularity15ˊ
Clear Aperture>90%
Chamfer<0.1×45°
Biggest Sizedia (3-12.7)×(3-150)mm2

Absorption and Emission Spectra

Er glass laser glass ETA14 emission spectrum CRYLINKEr glass laser glass ETA14 absorption spectrum CRYLINK
Er glass laser glass WM4 emission spectrum CRYLINKEr glass laser glass WM4 absorption spectrum CRYLINK

References

[1]  B Y Z A ,  A M L ,  A J L , et al. Optical properties of Er 3+ /Yb 3+ co-doped phosphate glass system for NIR lasers and fiber amplifiers[J]. Ceramics International, 2018, 44( 18):22467-22472.
[2]  Langar A ,  Bouzidi C ,  Elhouichet H , et al. Er–Yb codoped phosphate glasses with improved gain characteristics for an efficient 1.55μm broadband optical amplifiers[J]. Journal of Luminescence, 2014, 148:249-255.
[3]  A C B ,  A T M ,  B S R D , et al. Sensitizing effect of Yb 3+ ions on photoluminescence properties of Er 3+ ions in lead phosphate glasses: Optical fiber amplifiers[J]. Optical Materials, 2018, 86:256-269.
[4]  Ryabtsev G I ,  Bezyazychnaya T V ,  Parastchuk V V , et al. Spectral and temporal properties of diode-pumped Er, Yb: glass laser[J]. Optics Communications, 2005, 252(4-6):301-306.
[5]  Francini R ,  Giovenale F ,  Grassano U M , et al. Spectroscopy of Er and Er–Yb-doped phosphate glasses[J]. Optical Materials, 2000, 13(4):417-425.
[6]  Sendova M , JA Jiménez,  Honaman C . Rare earth-dependent trend of the glass transition activation energy of doped phosphate glasses: Calorimetric analysis[J]. Journal of Non-Crystalline Solids, 2016, 450:18-22.
[7]  Chen C ,  He R ,  Tan Y , et al. Optical ridge waveguides in Er3+/Yb3+ co-doped phosphate glass produced by ion irradiation combined with femtosecond laser ablation for guided-wave green and red upconversion emissions[J]. Optical Materials, 2016.
[8]  Balaji S , D Ghosh,  Biswas K , et al. Insights into Er 3+ Yb 3+ energy transfer dynamics upon infrared ~1550nm excitation in a low phonon fluoro-tellurite glass system[J]. Journal of Luminescence, 2017, 187:441-448.
[9]  Feng S ,  Fei L ,  Li S , et al. The fractional thermal factor in LD-pumped Yb3+/Er3+ codoped phosphate glass. IEEE, 2009.
[10]  Dan G ,  Mihailov S J ,  Walker R B , et al. Bragg Gratings Made With a Femtosecond Laser in Heavily Doped Er–Yb Phosphate Glass Fiber[J]. IEEE Photonics Technology Letters, 2007, 19(12):943-945.
[11]  Zhu M ,  Tongzhao G U . Spectroscopic properties of Er3+/Yb3+ co-doped tantalum-niobium phosphate glasses for optical waveguide laser and amplifier[C]// International Conference on Microwave & Millimeter Wave Technology. IEEE Xplore, 2004.
[12]  Danger T ,  Huber G ,  DeNker B I , et al. Diode-pumped cw laser around 1.54 m using Yb, Er-doped silico-boro-phosphate glass[C]// Conference on Lasers & Electro-optics. IEEE, 1998.
[13] S Jiang, SJ Hamlin, JD Myers,等. High-average-power 1.54-μm Er3+:Yb3+-doped phosphate glass laser.  1996.
[14]  Osellame R ,  Valle G D ,  Chiodo N , et al. Mode-locked and single-longitudinal-mode waveguide lasers fabricated by femtosecond laser pulses in Er:Yb-doped phosphate glass. IEEE, 2007.
[15]  Valles J A ,  Rebolledo M A , J Cortés. Full characterization of packaged Er-Yb-codoped phosphate glass waveguides[J]. IEEE Journal of Quantum Electronics, 2006, 42(2):152-159.
[16]  Aseev V A ,  Ulyashenko A M ,  Nikonorov N V , et al. Comparison of highly doped Ytterbium-erbium phosphate and silicate glasses for microchip lasers[C]// International Conference on Advanced Optoelectronics & Lasers. IEEE, 2005.
[17]  Qiu T ,  Li L ,  Temyanko V , et al. Generation of high power 1535nm light from a short cavity cladding pumped Er:Yb phosphate fiber laser[M].  2004.
[18]  Buchenkov V A ,  Krylov A A ,  Mak A A . 12 mJ 10 Hz Diode Pumped A/O Q-switched Yb:Er:Glass Laser[C]// 2018:48-48.
[19]  Kalashnikov V L ,  Shcherbitsky V G ,  Kuleshov N V , et al. Optimization of passively Q-switched Er:glass laser[C]// Lasers and Electro-Optics, 2002. CLEO ’02. Technical Digest. Summaries of Papers Presented at the. IEEE, 2002.
[20]  Simondi-Teisseire B ,  Viana B ,  Lejus A M , et al. Room-temperature CW laser operation at ~1.55 μm (eye-safe range) of Yb:Er and Yb:Er:Ce:Ca2Al2SiO7 crystals[J]. IEEE Journal of Quantum Electronics, 1996, 32(11):2004-2009.
[21]  Wu R ,  Hamlin S J ,  Myers J D , et al. Infrared image studies of diode-pumped Yb3+, Er3+:glass[C]// Conference on Lasers and Electro-Optics. 1996.
[22]  Tan F ,  Yu F ,  Wang L , et al. Enhancement in Laser Performance of Er3+/Yb3+ Co-doped Phosphate Glass Materials[J]. Journal of Wuhan University of Technology-Mater. Sci. Ed.  2015, 30(3):442-446.
[23]  Sattar A ,  Azzouz I M ,  Shafik M S , et al. Effect of sensitizers on the optical properties of Er3+ions in erbium glass lasers[C]// Workshop on Photonics & Its Application at Egyptian Engineering Faculties & Institutes. IEEE, 2002.
[24]  Kervevan L ,  Gilles H ,  Girard S , et al. Self-mixing laser Doppler velocimetry with a dual-polarization Yb:Er glass laser[J]. Applied Physics B, 2007, 86(1):169-176.
[25]  Karlsson G ,  Laurell F ,  Tellefsen J , et al. Development and characterization of Yb-Er laser glass for high average power laser diode pumping[J]. Applied Physics B, 2002, 75(1):41-46.
[26]  Vitkin V ,  Krylov A ,  Polishchuk A , et al. 40 Hz 1.3 mJ Q-switched Yb:Er:glass Laser[C]// 2018:50-50.
[27]  Bhardwaj A ,  Agrawal L ,  Pal S , et al. Optimization of passively Q -switched Er:Yb:Cr:phosphate glass laser: theoretical analysis and experimental results[J]. Applied Physics B, 2007, 86(2):293-301.
[28]  Kalashnikov V L ,  Shcherbitsky V G ,  Kuleshov N V , et al. Pulse energy optimization of passively Q-switched flash-lamp pumped Er:glass laser[J]. Applied Physics B, 2002, 75(1):35-39.
[29] Summaries of papers presented at the Conference on Lasers and Electro-optics.  1999.
[30] Third Workshop on Photonics and its Application at Egyptian Engineering Faculties and Institutes (Cat. No.02EX509)[C]// Workshop on Photonics & Its Application at Egyptian Engineering Faculties & Institutes. IEEE, 2002.

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