PT501 series

Single Housing Mid-Infrared Tunable Picosecond Laser System

PT501 series laser systems integrate a picosecond optical parametric oscillator (OPO) and a pump laser in a single compact housing. Mounting the components on the same frame provides a robust solution. It makes laser installation shorter, improves long-term stability, and reduces maintenance costs.

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PT501
Overview

Features

  • Tuning range 2300 – 16000 nm (4345 – 625 cm‑1)
  • Hands-free tuning: motorized for the entire tuning range
  • Linewidth <4 cm‑1 in the entire tuning range
  • Repetition rate 100 Hz
  • Air cooled – external water supply is not required
  • Beam direction stability in the entire tuning range
  • Single housing: integrates a pump laser and OPO in a single housing
  • PC control via USB (virtual COM port), RS232, LAN using REST API commands

Applications

  • Infrared spectroscopy
  • SFG (sum frequency generation spectroscopy)

Description

PT501 series laser systems integrate a picosecond optical parametric oscillator (OPO) and a pump laser in a single compact housing. Mounting the components on the same frame provides a robust solution. It makes laser installation shorter, improves long-term stability, and reduces maintenance costs.

Fast and fully automatic wavelength tuning is achieved by advanced microprocessor control. The wavelength tuning elements are mounted on precise closed-loop micro-stepping motors. The temperatures of the nonlinear crystals are controlled by precise thermo-controllers. No additional manual adjustment of the laser system is needed.

For customer convenience the system can be controlled by a keypad and/or any controller running on any OS using REST API commands. Variety of interfaces USB, RS232, LAN, WLAN (optionally) ensures easy control and integration with other equipment.

Communication interfaceDescription
USBvirtual serial port, ASCII commands
RS232ASCII commands
LANREST API
WLANREST API

Available models

ModelFeatures
PT501provides a narrowband radiation with a linewidth < 4 cm‑1 in the entire tuning range:
2300 – 16000 nm (4345 – 625 cm‑1).
Repetition rate 100 Hz.

Specifications

ModelPT501
Main Specifications 1)
Tuning range2300 – 16000 nm
Output pulse energy
at 3500 nm> 200 µJ
at 10000 nm> 50 µJ
Bandwidth< 4 cm‑1
Pulse repetition rate100 Hz
Tuning resolution< 0.5 cm‑1
Typical beam size 2)~4 mm
Beam divergence 3)< 3 mrad
Beam pointing stability≤ 100 μrad rms
Beam polarizationhorizontal , > 100:1
Wavelength sweepavailable
Optical pulse jitter
Internal triggering regime 4)< 50 ps (StdDev.) in respect to TRIG1 OUT pulse
External triggering regime 5)~3 ns (StdDev.) in respect to SYNC IN pulse
TRIG1 OUT pulse delayPositive pulse with controllable delay. Pulse width ~100 ns.
Default delay ~250 μs before optical pulse up to 10 ms.
Physical characteristics
Laser head size (L×W×H)~520 × 1050 × 272 mm
Power supply unit size (L×W×H)450 × 450 × 140 mm
Operating Requirements
Mains requirements100 – 240 V AC single phase, 47 – 63 Hz
Power consumption< 0.5 kW
Operating ambient temperature22 ± 2 °C
Relative humidity20 – 80 % (non-condensing)
Coolingair cooled
Cleanness of the roomnot worse than ISO Class 9
ModelPT501
  1. Due to continuous improvement, all specifications are subject to change without notice. Parameters marked typical are not specifications. They are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise, all specifications are measured at 3500 nm for PT501 units for basic system without options.
  2. Beam diameter is measured at the 1/e2 level.
  3. At 3000 nm, Full angle measured at the FWHM point
  4. With respect to TRIG1 OUT pulse. <10 ps jitter is provided with PRETRIG option.
  5. With respect to SYNC IN pulse.

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