NL300 Series - Flash Lamp Pumped, Actively Q-switched Nd:YAG Lasers

The Nd:YAG laser of the NL300 series deliver up to 1000mJ, 6 ns pulses with a single oscillator stage without additional amplifier. The oscillator has a rugged sealed cavity which guarantees an excellent pulse energy and long term stability. Different versions are available with repetition rates of 10 and 20 Hz.

Description 

Features

  • Rugged sealed laser cavity
  • Up to 1000 mJ pulse energy
  • Better than 1 % StDev pulse energy stability
  • 5 – 20 Hz pulse repetition rate
  • 3 – 6 ns pulse duration
  • Thermo stabilized second, third, fourth and fifth harmonic generator modules
  • Optional attenuators for fundamental and/or harmonic wavelengths
  • Water-to-water or water-to-air cooling options
  • Replacement of flashlamps without misalignment of laser cavity
  • Remote control via keypad and/or RS232/USB port
  •  

Applications

  • Material ablation
  • LIBS (Light Induced Breakdown Spectroscopy)
  • OPO pumping
  • Remote Sensing
  • LIDAR (Light Detection And Ranging)
  • Mass Spectroscopy
  • LIF (Light Induced Fluorescence)

Benefits

  • High pulse energy (up to 1 J at 1064 nm, 450 mJ at 355 nm) ensures strong interaction with material which is excellent for LIBS and material ablation applications
  • Cost-effective, single-cavity design with no amplifiers for easy alignment, high reliability and low maintenance costs
  • Small size saves valuable space in the laboratory room
  • Fast flashlamp replacement without realignment of laser cavity ensures easy maintenance
  • Air cooling enables simple installation, easy operation and low maintenance costs
  • Variety of interfaces: USB, RS232, optional LAN and WLAN ensures easy integration with other equipment

 

NL300 series electro-optically Q-switched nanosecond Nd:YAG lasers produce high energy pulses with 3 – 6 ns duration. Pulse repetition rate can be selected in range of 5 – 20 Hz. NL30×HT models are designed for maximum energy extraction from the active element. Up to 1000 mJ pulse energy can be produced at a 5 Hz pulse repetition rate.

A wide range of harmonic generator modules for generation up to a 5th harmonic is available. Harmonic generators can be combined with attenuators that allow smooth output energy adjustment without changing other laser parameters, i.e. pulse duration, pulse-to-pulse stability, divergence or beam profile. For a more detailed description of harmonic and attenuator modules please check our harmonic generators selection guide.

The extremely compact laser head is approximately 480 mm long and can be fitted into tight spaces. The laser power supply has a 330 × 490 mm footprint. Easy access to the water tank from the back side of the power supply facilitates laser maintenance. Replacement of flashlamp does not require removal of pump chamber from the laser cavity and does not lead to possible misalignment.

The powering unit can be configured with water-to-water or water-to-air heat exchangers. The latter option allows for laser operation without the use of tap water for cooling.

For customer convenience the laser can be controlled via PS with LabView™ drivers (included) or a remote control pad. Both options allow easy control of laser settings.

 

Specifications 
Model 1) NL303HT NL305HT
Pulse energy
    at 1064 nm 800 mJ 700 mJ 1000 mJ
    at 532 nm 2) 380 mJ 320 mJ 500 mJ
    at 355 nm 3) 250 mJ 210 mJ 320 mJ
    at 266 nm 4) 80 mJ 60 mJ 100 mJ
    at 213 nm 5) 13 mJ 10 mJ 20 mJ
Pulse duration 6) 3 - 6 ns
Repetition rate 10 Hz 20 Hz 10 Hz 7)
Beam profile 8) Top Hat in near field, close to Gaussian in far field
Linewidth <1 cm-1
Pulse energy stability (StdDev) 8)
    at 1064 nm < 1.0 %
    at 532 nm < 1.5 %
    at 355 nm < 3.0 %
    at 266 nm < 3.5 %
    at 213 nm < 6.0 %

1) Due to continuous improvement, all specifications are subject to change. Parameters marked typical are illustrative; they are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise all specifications are measured at 1064 nm and for basic system without options.

2) With H300SH, H300S or H300SHC harmonic generator modules. See harmonic generator selection guide for more detailed information.

3) With H300THC harmonic generator modules. See harmonic generator selection guide for more detailed information.

4) With H300SH and H400FHC harmonic generator modules. See harmonic generator selection guide for more detailed information.

5) With H300FiHC harmonic generator module. See harmonic generator selection guide for more detailed information.

6) FWHM.

7) Inquire for higher energy 5 Hz model.

8) Averaged from pulses, emitted during 30 sec time interval.

Options 

Option – AW – air-cooled power supply option. An adequate air conditioner should be installed in order to keep room temperature stable.

Harmonics generator options – an extensive selection of harmonics generators up to 5th harmonics.

Attenuator options allow a smooth change of laser pulse energy, while other laser pulse parameters, such as pulse duration, jitter, pulse-to-pulse stability, beam divergence and profile remain the same.

 

Harmonic generators

  • Compact harmonic modules
  • Thermo stabilized crystals for long lifetime
  • Dichroic mirrors
  • AR coatings on crystals
  • Phase matching by mechanical adjustment
  • High conversion efficiency
  • Wide selection of different configurations
  • Smooth adjustment of output pulse energy with attenuator

Nanosecond Q-switched lasers enable simple and cost effective laser wavelength conversion to shorter wavelengths through harmonic generation. EKSPLA offers a broad selection of wavelength conversion accessories for NL300 series lasers. The purpose of this guide is to help configure available harmonic generator and attenuator modules for NL300 series lasers for optimal performance.

The harmonic module uses a modular design that allows reconfiguration of laser output for the appropriate experiment wavelength. A typical module houses a non‑linear crystal together with a set of dichroic mirrors for separating the harmonic beam from the fundamental wavelength. Nonlinear crystals used for the purpose of wavelength conversion are kept at an elevated temperature in a thermo-stabilized oven.

Two or more modules can be joined together for higher harmonic generation: attaching one extra module to a second harmonic generator allows for the generation of 3rd or 4th harmonic wavelengths. It should be noted that only modules with a single output port can be joined together: it is possible to attach a H300S module to a H300SH unit for 532 nm beam separation, or a H300FHC module for 4th harmonic generation (see detailed description below). Modules with two output ports (e.g., H300SHC) cannot be attached to extra units.

For more details, please download the datasheet.

 

Attenuators

For more details, please download the datasheet.

Documents 
Inquiry 
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  • Description
  • Specifications
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  • Inquiry

Features

  • Rugged sealed laser cavity
  • Up to 1000 mJ pulse energy
  • Better than 1 % StDev pulse energy stability
  • 5 – 20 Hz pulse repetition rate
  • 3 – 6 ns pulse duration
  • Thermo stabilized second, third, fourth and fifth harmonic generator modules
  • Optional attenuators for fundamental and/or harmonic wavelengths
  • Water-to-water or water-to-air cooling options
  • Replacement of flashlamps without misalignment of laser cavity
  • Remote control via keypad and/or RS232/USB port
  •  

Applications

  • Material ablation
  • LIBS (Light Induced Breakdown Spectroscopy)
  • OPO pumping
  • Remote Sensing
  • LIDAR (Light Detection And Ranging)
  • Mass Spectroscopy
  • LIF (Light Induced Fluorescence)

Benefits

  • High pulse energy (up to 1 J at 1064 nm, 450 mJ at 355 nm) ensures strong interaction with material which is excellent for LIBS and material ablation applications
  • Cost-effective, single-cavity design with no amplifiers for easy alignment, high reliability and low maintenance costs
  • Small size saves valuable space in the laboratory room
  • Fast flashlamp replacement without realignment of laser cavity ensures easy maintenance
  • Air cooling enables simple installation, easy operation and low maintenance costs
  • Variety of interfaces: USB, RS232, optional LAN and WLAN ensures easy integration with other equipment

 

NL300 series electro-optically Q-switched nanosecond Nd:YAG lasers produce high energy pulses with 3 – 6 ns duration. Pulse repetition rate can be selected in range of 5 – 20 Hz. NL30×HT models are designed for maximum energy extraction from the active element. Up to 1000 mJ pulse energy can be produced at a 5 Hz pulse repetition rate.

A wide range of harmonic generator modules for generation up to a 5th harmonic is available. Harmonic generators can be combined with attenuators that allow smooth output energy adjustment without changing other laser parameters, i.e. pulse duration, pulse-to-pulse stability, divergence or beam profile. For a more detailed description of harmonic and attenuator modules please check our harmonic generators selection guide.

The extremely compact laser head is approximately 480 mm long and can be fitted into tight spaces. The laser power supply has a 330 × 490 mm footprint. Easy access to the water tank from the back side of the power supply facilitates laser maintenance. Replacement of flashlamp does not require removal of pump chamber from the laser cavity and does not lead to possible misalignment.

The powering unit can be configured with water-to-water or water-to-air heat exchangers. The latter option allows for laser operation without the use of tap water for cooling.

For customer convenience the laser can be controlled via PS with LabView™ drivers (included) or a remote control pad. Both options allow easy control of laser settings.

 

Model 1) NL303HT NL305HT
Pulse energy
at 1064 nm 800 mJ 700 mJ 1000 mJ
at 532 nm 2) 380 mJ 320 mJ 500 mJ
at 355 nm 3) 250 mJ 210 mJ 320 mJ
at 266 nm 4) 80 mJ 60 mJ 100 mJ
at 213 nm 5) 13 mJ 10 mJ 20 mJ
Pulse duration 6) 3 - 6 ns
Repetition rate 10 Hz 20 Hz 10 Hz 7)
Beam profile 8) Top Hat in near field, close to Gaussian in far field
Linewidth <1 cm-1
Pulse energy stability (StdDev) 8)
at 1064 nm < 1.0 %
at 532 nm < 1.5 %
at 355 nm < 3.0 %
at 266 nm < 3.5 %
at 213 nm < 6.0 %

1) Due to continuous improvement, all specifications are subject to change. Parameters marked typical are illustrative; they are indications of typical performance and will vary with each unit we manufacture. Unless stated otherwise all specifications are measured at 1064 nm and for basic system without options.

2) With H300SH, H300S or H300SHC harmonic generator modules. See harmonic generator selection guide for more detailed information.

3) With H300THC harmonic generator modules. See harmonic generator selection guide for more detailed information.

4) With H300SH and H400FHC harmonic generator modules. See harmonic generator selection guide for more detailed information.

5) With H300FiHC harmonic generator module. See harmonic generator selection guide for more detailed information.

6) FWHM.

7) Inquire for higher energy 5 Hz model.

8) Averaged from pulses, emitted during 30 sec time interval.

Option – AW – air-cooled power supply option. An adequate air conditioner should be installed in order to keep room temperature stable.

Harmonics generator options – an extensive selection of harmonics generators up to 5th harmonics.

Attenuator options allow a smooth change of laser pulse energy, while other laser pulse parameters, such as pulse duration, jitter, pulse-to-pulse stability, beam divergence and profile remain the same.

 

Harmonic generators

  • Compact harmonic modules
  • Thermo stabilized crystals for long lifetime
  • Dichroic mirrors
  • AR coatings on crystals
  • Phase matching by mechanical adjustment
  • High conversion efficiency
  • Wide selection of different configurations
  • Smooth adjustment of output pulse energy with attenuator

Nanosecond Q-switched lasers enable simple and cost effective laser wavelength conversion to shorter wavelengths through harmonic generation. EKSPLA offers a broad selection of wavelength conversion accessories for NL300 series lasers. The purpose of this guide is to help configure available harmonic generator and attenuator modules for NL300 series lasers for optimal performance.

The harmonic module uses a modular design that allows reconfiguration of laser output for the appropriate experiment wavelength. A typical module houses a non‑linear crystal together with a set of dichroic mirrors for separating the harmonic beam from the fundamental wavelength. Nonlinear crystals used for the purpose of wavelength conversion are kept at an elevated temperature in a thermo-stabilized oven.

Two or more modules can be joined together for higher harmonic generation: attaching one extra module to a second harmonic generator allows for the generation of 3rd or 4th harmonic wavelengths. It should be noted that only modules with a single output port can be joined together: it is possible to attach a H300S module to a H300SH unit for 532 nm beam separation, or a H300FHC module for 4th harmonic generation (see detailed description below). Modules with two output ports (e.g., H300SHC) cannot be attached to extra units.

For more details, please download the datasheet.

 

Attenuators

For more details, please download the datasheet.

Do you have questions about NL300?
Your details will be gathered and handled to respond to your request.
Detailed information on this topic can be retrieved from our privacy policy.

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TOPAG Lasertechnik GmbH
Nieder-Ramstädter Str. 247
64285 Darmstadt, Germany
Phone: +49 6151 42944 0
Fax: +49 6151 42944 11
E-mail: info@topag.de