1550 nm Programmable Picosecond Laser, PM
The Optilab PPL-1550-PM-R is a programmable laser that produces picosecond pulses with electrical input pulses. It functions as a seed pulse generator for Master Oscillator Power Amplifiers (MOPA). The PPL- 1550-PM-R is designed to produce < 100 ps widths and corresponding repetition rates up to 100 MHz from the user’s electrical pulse generator. It features a high Extinction Ratio (ER) Mach-Zehnder Interferometer (MZI) optical modulator with a high pulse contrast of -30 dB. The PPL-1550-PM-R consists of a narrow-line- width, ultra stable, DFB laser diode, centered at 1550 nm transmission wavelength, but with the flexibility to offer wavelengths above 1563 nm upon request. The DFB laser operates under Continuous Wave (CW) mode, modulated by a high speed modulator rise time of less than 35 ps. The Automatic Bias Controller (ABC) board is used to properly maintain the bias point of the optical modulator and ensure jitter free, ultra-fast pulse generation.The PPL-1550-PM-R incorporates 25/300 Large Diameter Fiber (LDF) to overcome non-linear effect. It features PM fiber for polarization maintaining, and is available with an optional PM EDFA to boost peak pulse power. The laser system is equipped with a standard remote control interface (RS-232) and an LCD display screen for easy user interface, accessible through a front panel adjustment knob.
Features
➤ Programmable pulsewidth & repetition rate
➤ High Pulse Contrast of -30 dB
➤ Generate short pulse of < 100 ps
➤ Uses external electrical input
➤ 1540 nm to 1563 nm laser λ adjustable ±1.5 nm
➤ High speed optical modulator with <35 ps rise time
➤ Optional PM high power collimator
➤ Optional high power PM EDFA
➤ Collimated output available
Applications
➤ Picosecond pulse generator
➤ Research & Development
➤ Testing & Measurement
➤ Master Oscillator Power Amplifier (MOPA)
Functional Diagram
Optical Specifications
Wavelength
1540 nm to 1563 nm
Wavelength Tuning Range
Up to ±1.5 nm
Minimum Pulse Width
< 100 ps
Modulator Rise/Fall Time
< 35 ps
Source Laser Linewidth
< 3 MHz, 1 MHz available
Pulse Repetition Rate
Programmable 100 KHz to 100 MHz depending upon electrical pulse input
Energy per Pulse
Up to 2 μJ w/ EDFA, at 500 KHz
Pulse Contrast
-30 dB
Peak Power Output (no EDFA)
20 mW peak
Peak Power Output (w/ EDFA)
Up to 2 kW peak
Jitter Relative to RF Reference
10 rms max.
Pulse Amplitude Variation
1% rms max.
Polarization Extinction Ratio
20 dB typ.
Amplitude Stability (Short Term)
< 1%
Polarization Design
Single linear polarization, slow axis passing
Electrical Pulse Input Specifications
Modulator Bandwidth
Up to 20 GHz
Modulator Type
MZI with high ER ratio 40 dB
Input Level
> 0.5 V peak to peak
Pulse Repetition Rate
Programmable 100 KHz to 100 MHz depending upon electrical pulse input
Minimal Pulse Width
< 75 ps
Electrical Input Frequency
50 KHz to 12 GHz
Electrical Connector
SMA
Optional Collimator Specifications
Collimated Beam Quality
m2 < 1.5
Nominal Beam Diameter
~1.2 mm
Average Optical Power
15 W max.
Peak Power for ns Pulse
15 KW max
Fiber Type
PLMA-GDF-25/300
Mechanical Specifications
Operating Temperature
0º C to +50º C
Storage Temperature
-40° to +70° C
Humidity
10% to 90%
Power Supply
110 V AC and 220 V AC, 50 or 60 Hz
Display
Temperature, Current, Voltage
Controls/Monitoring
LDC display for Laser Switch, EDFA output power through front panel.
Communication Interface
RS-232 interface with Ethernet optional
Dimensions
1RU: 19” x 14”x 1.75”
Optical Connector
SMF-28 FC/APC or user option
Optical Fiber
PANDA Fiber PM
Electrical Connectors
SMA Female
PPL-1550-PM-R Front Panel
PPL-1550-PM-R Back Panel
Optical Pulse Out
The PPL-1550-PM has a linear translation from electrical to optical pulses with a 1:1 ratio. The electrical and optical pulses look nearly identical. The following is a near Gaussian shape 2 ns optical pulse output.
PPL System Configurations
The PPL-1550-PM has three different system configurations. First, the PPL-1550-PM without an EDFA. Secondly, the PPL-1550-PM with a PM EDFA to boost peak pulse power, and a collimating lens. And third, the PPL-1550-PM connected to the EPA-40-PM erbium-doped pulse amplifier. See the diagrams below.
Odering Options
商品属性 [波长] 1540 nm to 1563 nm [脉宽] < 100 ps [峰值功率] 20 mW (no EDFA)/2 kW (w/ EDFA) [重复频率] 100 KHz to 100 MHz [单脉冲能量] Up to 2 μJ w/ EDFA, at 500 KHz