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Er Yb Laser Glass Wide Absorption Band For Fiber Optic Communication Window

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Er Yb Laser Glass Wide Absorption Band For Fiber Optic Communication Window

Brand Name : CRYLINK

Place of Origin : China

Certification : Iso9001

MOQ : 1 Pieces

Price : negotiation

Packaging Details : Carton

Delivery Time : 3-4 weeks

Payment Terms : TT

Supply Ability : 100 pieces /month

Name : Er Glass (Er Yb: Glass)

Feature : Wide absorption band

Thermal conductivity (25℃) (W/mK) : 0.7

Abbe value : 66

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Description

Er3+/Yb3+ co-doped phosphate glass — as the 1540nm eye-safe radiation sources pumped by LD which can emit eye-safe 1540nm laser radiation directly used in laser ranging finder and telecommunication communication

As an eye-safe wavelength laser, 1540um ,Er3+/Yb3+ co-doped phosphate glass lasers have attracted much attention for their compactness and low cost, such as laser generation and signal amplification because the wavelength of 1540nm is just at the position of the eye-safe and the fiber optic communication window. 1540nm lasers have used in ranging finder, radar, target recognition. Er3+/Yb3+ co-doped phosphate glass cooperate with passive Q-Switch crystal -co:spinel to get 1540nm pulse solid-state laser.

Parameter

Laser Specifications

　 EAT14 WM4
Cross section for stimulated emission (10-20cm2) 0.8 0.75
Fluorescent lifetime (ms)* 7.7-8.0 7.7-8.2
Center lasing wavelength (nm) 1535 1535

Optical Properties

EAT14 WM4
Refractive index (1535nm) 1.524 1.528
Refractive index (d 589.3nm) 1.532 1.536
Abbe value 66 66
dn/dT (10-6/℃) (20~100℃) -1.72 -3

Thermal Specifications

　 EAT14 WM4
Transformation temp. (℃) 556 530
Softening temp. (℃) 605 573
Coeff.of linear thermal expansion (10-7/K) (20~100℃) 87 82
Coeff.of linear thermal expansion (10-7/K) (100~300℃) 95 96
Thermal Coeff.of optical path length (10-6/K) (20~100℃) 2.9 1.4
Thermal conductivity (25℃) (W/mK) 0.7 0.7

Feature

  • Wide absorption band
  • Long fluorescence lifetime
  • High optical quality
  • Safety for eye
  • High slope efficiency

Product Tags:

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