SPECIFICATION

Size

Diameter:3~12.7mm,Length:3~150mm

Dimension  tolerance

±0.05  mm

Flatness

<λ/8@632  nm

Wavefront  distortion

<λ/4@632  nm

surface  quality

10/5

Parallelism

10〞

Perpendicularity

15  '

Clear  aperture

>90%

Chamfer

<0.1×45°

PHYSICAL  AND CHEMICAL PROPERTIES

Model

#1

#2

The  cross section of stimulated emission (10-500px² )

0.8

0.75

Fluorescence  lifetime (ms)

7.7-8.0

7.7-8.2

Wavelength  (nm)

1535

1535

Transition  temperature (℃)

1.524

1.528

Softening  temperature (℃)

1.532

1.536

Linear  thermal expansion coefficient (10^-7/K) (20 ~ 100 ℃)

556

530

Linear  thermal expansion coefficient (10^-7/K) (100 ~ 300 ℃)

605

573

Thermal  coefficient of Optical path length (10^-6/K)(20~100℃)

87

82

Thermal  conductivity coefficient (25 ℃) (W/mK)

95

96

Density  (g/cm³)

3.06

2.83

Chemical  durability

52

82