Er, Yb:phosphate glass «In Stock»
Er3+, Yb3+ co-doped phosphate glass (Er, Yb:phosphate glass) is a well-known and commonly used active medium for lasers emitting in the “eye-safe” spectral range of 1,5-1,6 µm. Phosphate glass combines a long lifetime (~8 ms) of 4I13/2 Er3+ upper laser level with a low (2–3 ms) lifetime of 4I11/2Er3+ level that is in resonance with Yb3+ 2F5/2 excited state. Fast non-radiative multi-phonon relaxation from 4I11/2 to 4I13/2 level greatly decreases the back-energy transfer and up-conversion losses due to the interaction between Yb3+ and Er3+ ions, excited at the 2F5/2 and the 4I11/2 levels, respectively.
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SPECIFICATION
SKU
PRICE
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QUANTITY
6x1 mm; 10 mm; Yb 20% Er 0,5%; Right-angle cut; +0,0/-0,1 mm; ±0,1 mm; >80%; 20-10 S-D; <λ/10@632,8 nm; <10 arcsec; <10 arcmin; <0,1 mm at 45˚; AR(R<0.25%) @ 1530-1540 nm, AOI=0 deg. S3/S4: AR(R<0.25%) @ 930-950 nm, AOI=0 deg.; AR/AR@940 nm + 1535 nm
20655
Request
1
4x1 mm; 36 mm; Yb 20% Er 0,26%; Right-angle cut; +0,0/-0,1 mm; ±0,1 mm; >80%; 20-10 S-D for S1/S2 and S3/S4, 36x1 mm faces grinded, SQ S3 40/30; S4 20/30; <λ/10@632,8 nm; <20 arcsec; <10 arcmin; <0,1 mm at 45˚; AR/AR(R<0,2%)@1535 nm; >15 J/cm2@1535 nm, 10
35739
Request
1
3x3 mm; 20 mm; Yb 20% Er 1%; Right angle cut; +0/-0,1 mm; ±0,1 mm; >90%; S1: 60-10; S2:10-5 S-D; <λ/10@632,8 nm; <10 arcsec; <10 arcmin; <0,1 mm at 45˚; S1:HR(R>99,5%)@1550 nm + HT(T>95%)@976±10 nm, AOI=0˚ / S2:AR(R<0,25%)@1550 nm, AOI=0˚; AR/AR@940 nm +
37426
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