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皮秒半导体激光器

 

advanced Laser Diode Systems A.L.S.公司的PiLas半导体激光器可以提供皮秒量级的脉冲输出,脉宽可小到18ps。此类皮秒半导体激光器的波长范围广,可覆盖375nm1550nm这一范围。其峰值功率从20mW1000mW不等。其抖动很小,仅为3ps4ps

一套标准系统包括驱动器、激光头和光学附件部分。

根据重复频率不同可划分两类:01MHz重复频率可调和100MHz固定重复频率。

1.    01MHz重复频率可调的皮秒激光器系统

    

波长(nm)

光谱宽度(nm)

脉冲宽度(ps)

峰值功率 (mW)

PIL037

375± 10

< 7

< 60

> 140

PIL040

408± 10

< 7

< 45

> 400

PIL043

440± 10

< 7

< 60

> 140

PIL047

473± 10

< 7

< 60

> 140

PIL063

635± 10

< 7

< 40

> 150

PIL067

670± 10

< 7

< 40

> 300

PIL078

780± 15

< 7

< 35

> 300

PIL083

830± 15

< 10

< 35

> 400

PIL085

850± 15

< 10

< 25

> 100

PIL090

905± 15

< 10

< 50

> 400

PIL106

1060+5/-15

< 12

< 40

> 400

PIL130

1300+5/-15

< 13

< 35

> 100

PIL155

1550± 15

< 15

< 25

> 50

PILxxxDFB

850, 1310, 1550± 3

< 0.1

30 - 100

> 20

2.    固定重复频率100MHz的皮秒半导体激光系统

  (其它频率(10110 MHz)可要求)

    

波长(nm)

光谱宽度(nm)

脉冲宽度(ps)

峰值功率 (mW)

平均功率(mW)

PIL040F

400± 10

< 7

< 50

> 100

> 0.25

PIL063F

635± 10

< 7

< 45

> 100

> 0.5

PIL067F

670± 10

< 7

< 45

> 100

> 0.5

PIL078F

780± 15

< 7

< 45

> 100

> 0.5

PIL083F

830± 15

< 10

< 45

> 100

> 0.4

PIL130F

1300+ 5/-15

< 13

< 50

> 50

> 0.2

PIL155F

1550+ 5/-15

< 15

< 30

> 50

> 0.1

PILxxxDFBF

850,1310, 1550± 3

< 0.1

30100

> 20

> 0.05

3.    针对不同重复频率激光器的两种驱动器

参数 \ 型号

EIG 1000D用于01MHz激光头

EIG 1000AF用于100MHz激光头

内部触发

1 MHz, 500 kHz, 200 kHz, 100 kHz 10 Hz, single shot

100 MHz 固定

其它频率(10110 MHz)可要求

外部触发

single shot - 1 MHz

固定频率的± 5%

输入电阻

1 MOhm / 50 Ohm

50 Ohm

电脉冲宽度

≥10 ns

≥ 4 ns

预触发与输出光脉冲之间的时间抖动

≤ 3 ps

≤ 4 ps

4.    根据波长和应用的不同,可以选择各种合适的输出光学附件。总体分为自由光输出、可调整的光纤输出和固定的光纤输出三种(如图所示)。

 

PiLas

The Picosecond Laser Diode Systems

The PiLas Systems are diode lasers emitting very short optical pulses with pulse widths down to 18 ps (FWHM), depending on the laser diode used. The standard system consists of a digital electrical pulse generator EIG, an optical head with a laser diode and a collimating optics (paralleling optics, single mode fiber output or multimode fiber output versions are also available). The laser diodes of the various models are pre-configured to emit on a fixed wavelength within a spectral range between 375 nm and 1550 nm, i.e. from ultraviolet to infrared, based on all commercial available diode wavelengths. Typical peak powers are in the range of 20 mW to more than 1000 mW, depending on the laser diode used. The jitter between electrical trigger and optical pulse is about 3 ps - 4 ps. Special wavelengths or specifications are – if technically possible – available on request.

Different optical arrangements are possible
A graphical review of the different optical versions is given in the following link: PiLas optical setup
Two Versions of PiLas-Systems are available:
1 MHz PiLas
(repetition rate from single shot to 1 MHz)
Fast PiLas
(100 MHz fixed, other frequencies on request)
   
EIG1000D with PIL063SM (fiber coupler and fiber) EIG1000AF with PIL063F (free space)
  • PiLas Digital Control Unit (EIG1000D)

  • Optical Heads (PILxxx) for 375 nm – 1550 nm)

  • PiLas 100 MHz control Unit (EIG1000AF)

  • Optical Heads (PILxxxF) for 400 nm – 1550 nm, other wavelengths on request

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