Ultrafast OPOs & OPAs

  • Update:May 03, 2020
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Ultrafast OPOs with Web-based laser control

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STC-Spark-OPO

The STC-Spark-OPO and STC-Spark-OPO-HP is a near to mid-infrared quasi-CW optical parametric oscillator. It provides exceptional tunability and power across the near-infrared, making it an ideal light source for a wide range of application areas (from multi-photon microscopy to spectroscopy). Our ultrafast optical parametric oscillator technology can generate light from 1.4 µm to 4.2 µm with picosecond pulsewidths. With a fully integrated pump source it is able to  deliver high average power at both the signal and idler wavelengths with exceptional reliability. We also provide access to the fixed wavelength pump light, making it suitable for CARS microscopy.

Specifications

 

Standard Specifications

Optional

Signal wavelength

1.48 µm – 1.9 µm

OPO crystal can be optimized for specific wavelength ranges down to 1.35µm

Signal power

Up to 800mW (@ 1.5 µm)

Power depends on mirror set used, can be customer optimised

Idler wavelength

2.1 µm – 3.6 µm

OPO crystal can be optimized for specific wavelength ranges up to 4.2µm

Idler power

Up to 250 mW (@ 3.3 µm)

Power depends on mirror set used, can be customer optimised.

Pump source

Integrated Spark 1040 laser oscillator

Further details of pump source on request

Pump wavelength

1040 nm

 

Repetition frequency

100 MHz / Monitor photodiode

Lock-to-clock option available

Beam quality

Linearly polarized / Divergence < 2 mrad

 

Control interface

Ethernet, and web page Serial port (for control via LabView/MatLab)

Custom interface available

Dimensions

765 x 240 x 82 mm (laser head)

483 x 285 x 86 mm (control unit)

 

Weight

18 kg (laser head) / 2 kg (control unit)

 

Electrical

Voltage110 – 240 V AC / Frequency 50 – 60 Hz / Power 80W

 

Cooling

Air cooled

 

Features

Web-based laser control

Applications

STC-Spark-OPO-FIR

The STC-Spark-OPO-FIR is the world’s first commercial broadband ultrafast OPO providing output in the 5 – 12 µm region. In the 5 – 7 µm region up to 80 mW can be achieved and at 12 µm up to 10 mW of light is available.  The Spark FIR is an ideal source for spectroscopy in the molecular fingerprint region as well as stand-off detection and remote sensing applications.

Specifications

 

Standard Specs

Optional

Output wavelength

5-12 µm output available

Inpidual QPM gratings provide up to 1 µm coverage

Output power

Up to 75 mW at 5-7µm and up to 10mW at 12 µm

Optimised systems for specific wavelengths available on request.

OPO Wavelength tuning

Wavelength tuning is available through multiple QPM gratings

Please contact us for tuning options.

Pump source

Integrated Spark 1040 laser oscillator

Further details of pump source on request

Pump wavelength

1040 nm

 

Repetition frequency

100 MHz Monitor photodiode

 

Control interface

Ethernet, and web page Serial port (for control via LabView/MatLab)

Custom interface available

Dimensions

970 x 245 x 82 mm (laser head) / 483 x 285 x 86 mm (control unit)

 

Weight

18 kg (laser head) 2 kg (control unit)

 

Electrical

Voltage110 – 240 V AC / Frequency 50 – 60 Hz / Power 80W

 

Cooling

Air cooled

 

Features

Web-based control

Applications

Custom Systems

Our focus is to provide our customers with the latest in state-of-the-art laser technology tailored for their needs. With a product range covering 1-12 µm, our ultrafast fibre lasers and OPOs deliver high performance operation in compact, cost-effective units. If you have bespoke wavelength requirements for ultrafast systems please contact us to discuss how we can meet your needs.

STKM-YFi OPA Robust, Briefcase-sized Tuneable Ultrafast SWIR/MWIR Source

The STKM-YFi OPA is our vertically integrated optical parametric amplifier pumped by a STKM-YFi HP. The class-leading pulse duration of the 1035 nm centred STKM-YFi HP results in both a stable, coherent white light seed source and exceptionally high conversion efficiency into the short-wave and mid-wave infrared.

Y-FiTM OPA Unique Features:

Features:

STKM-YFi OPA Tuneability

Specification

Parameter

STKM-YFi OPA Signal

STKM-YFi OPA Idler

Central wavelength

1250 – 1800nm

2.4 – 4.4μm

Pulse Width

< 50fs bandwidth*

< 100fs bandwidth*

Beam Quality

M² < 1.4**

Not specified

Average Power

>0.4W @ 1MHz***

>0.1W @ 1MHz***

Pulse Energy

>0.4μJ @ 1MHz***

>0.1μJ @ 1MHz***

Peak Power

>3MW supported

Not specified

Repetition Rate

1 -2MHz

1 -2MHz

Power Stability

<3% RMS over 12 hours after 30min of warm-up

<3% RMS over 12 hours after 30min of warm-up****

Pointing Stability

<20μrad RMS over 12 hours after 30min of warm-up**

Not specified

STKM-YFi OPA Example Data:

 

2-photon image of signal mode

λ = 1350 nm

4-photon image of idler mode

λ = 4000 nm

Application:

Non-Collinear Optical Parametric Amplifier

iNOPA™ is a white light continuum-seeded, non-collinear, optical parametric amplifier capable of generating extremely short pulses when pumped by the Model IMPULSETMYb-doped Fiber Oscillator/Amplifier. To generate short pulses the output beam of the Model IMPULSE laser is split into two beams inside the Model iNOPA enclosure. One beam is used to generate an extremely broad continuum seed beam which is then amplified by the second, higher intensity beam from IMPULSETMin a BBO crystal operated in a non-collinear arrangement. Non-collinear amplification preserves the very broad linewidth of the seed beam, which can then be compressed to a pulsewidth as short as 15 fs in a prism compressor. Non-collinear amplification is preferred since the resulting pulsewidth is dependent only on the bandwidth of the seed and not on the pulsewidth of the pump laser. In fact, conversion efficiency is improved by having a longer, rather than shorter, pump pulse because the there is more overlap in time between the two beams.

Please contact us for more information.

1Christian Schriever, Stefan Lochbrunner, Patrizia Krok, and Eberhard Riedle;Tunable pulses from below 300 to 970 nm with durations down to 14 fs based on a 2 MHz ytterbiumdoped fiber system, OPTICS LETTERS / Vol. 33, No. 2 / January 15, 2008

   Femtosecond LasersPico-second LasersUltrafast OPOs and OPAs,  1550nm Femtosecond Laser

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