Xperay 系列激光器是韩国 Nonabase 公司研发生产的一款超宽调谐范围可调谐半导体激光器。除了利用传统外腔式可调谐半导体激光器所具有的光栅调谐和温度调谐方式外，Xperay 系列激光器还采用了 Nanobase 独创且拥有专利的高精度切换系统及自动光路对准系统，从而使其可以在多个 LD 之间自由切换，极大的扩展了半导体激光器的可调谐范围。此外，其拥有专利的新型的激光腔设计还兼具了传统 Littrow腔和 Littman 腔设计的优点，在保持 Littman 腔结构优势的基础上，达到接近 Littrow 腔的输出效率。
一、主要特点:
|
Property |
Littrow Cavity |
Littman Cavity |
XpeRay |
|
Beam Position (Direction) |
Change |
No Change |
No Change |
|
Output Efficiency |
High |
Low |
High |
|
Resolution |
Low |
High |
Low |
|
Intracavity Filtering |
No |
No |
Yes |
|
Design |
Simple |
Moderate |
Most Complex |
2, 光谱纯度
二、技术参数:
|
Property |
Xperay-TL STD |
Xperay-TL SLM |
|
LD Selection |
Automatic (Max 7) |
1 LD |
|
Coarse tuning range |
630nm-700nm (VIS) |
5~15nm |
|
770nm-850nm(NIR) |
5~15nm |
|
|
Absolute wavelength accuracy |
±10pm |
±10pm |
|
Wavelength repeatability |
±100pm |
±100pm |
|
Tuning speed (one diode) |
50nm/s |
50nm/s |
|
Tuning speed (different diode) |
6s max |
-- |
|
Instantaneous linewidth |
<10pm |
<1pm |
|
Wavelength stability (18hr) |
<10pm |
<10pm |
|
Power stability(2hr, p-p) |
<1% |
<1% |
|
diode temperature control range(at 25°C) |
0~40°C |
0~40°C |
|
Free space output |
Elliptical or circular |
Elliptical or circular |
|
M2 factor (free space, circular output) |
<1.2 |
<1.2 |
|
Interface |
USB 1.1 |
USB 1.1 |
|
Operating Temperature |
8°C-35°C |
8°C-35°C |
|
Power |
100 to 250 V; 50 to 60 Hz;120 W |
100 to 250 V; 50 to 60 Hz;120 W |
|
Dimensions (W X D X H) |
183x420x100(mm) |
140x230x100(mm) |
