FEATURES

ᰋ Broad-bandwidth MIR pulses at high repetition rateᰋ Continuously tunable in 2500 – 15 000 nm range

ᰋ Short-pulse high-energy auxiliary output at 2000 nm
ᰋ Pumped by industrial-grade lasers for high stability

ᰋ CEP-stable option

ORPHEUS-MIR is an optical parametric amplifier (OPA)
optimized for the efficient generation of broad-bandwidth
MIR pulses. The laser system provides ultrashort pulses inthe tuning range of 2.5 – 10 μm and reaches up to 15 μm
with a narrow-bandwidth extension. Due to the novel systemdesign, ORPHEUS-MIR provides < 100 fs pulses directly at theoutput. Signal and Idler outputs are available simultaneously.
The system architecture is well-suited for high-energy andhigh‑power PHAROS and CARBIDE femtosecond pump lasers.
ORPHEUS-MIR serves as an excellent high-repetition-rate

Furthermore, for MIR applications requiring CEP-stable pulses,
ORPHEUS-MIR provides unique CEP-stable option in thecomplete 2500 – 15 000 nm range.

1250

Wavenumber, cm-11000

667

2000

50.0

1000

25.0

500
400
300

12.5
10.0
7.52005.0

100

2.5SignalIdler
Narrowband extension

404000

4000

5000

6000
8000
Wavelength, nm

10000 12000

0.80.6615 cm-10.40.6667

10000 12000

15000

200Signal
Idler
Narrowband extension

502500

15000

3000

4000

5000 6000
8000
Wavelength, nm

Typical spectral bandwidth of ORPHEUS-MIR

1.05
NRMSD = 0.24%
Pulse energy, a.u.

0.8Intensity, a.u.

1.01000

300

Typical tuning curves of ORPHEUS-MIR.
Pump: 80 W, 2 mJ, 40 kHz
1.01250

500
400

100

0.5
2500 3000

2000

1000

1.0202500

2000

Spectral bandwidth, cm-12000

Pulse energy, µJ

Output power, mW2500

0.252 fs

0.4

1.00

0.20.0
2400

2800
3200
3600
Wavenumber, cm-10.0-300 -200 -100

0.95
0100Time, fs

Typical output spectrum (left) and pulse duration (right).
Measured at ≈ 3000 nm

38source for spectroscopy, such as two-dimensional infrared(2D IR) and vibrational sum-frequency generation (SFG)
spectroscopy. Combined with a narrow-bandwidth output ofSHBC, it forms a compact laser system for SFG measurements,
covering most of the MIR spectrum in a single shot andproviding high spectral resolution. In addition, its high outputstability is the key to fast and high-quality SFG imaging.

Wavenumber, cm-1
4000

Intensity, a.u.

SCIENTIFIC APPLICATIONS | MICROSCOPY SOURCES | SPECTROSCOPY SYSTEMS | OPCPA SYSTEMS | WAVELENGTH-TUNABLE SOURCES | FEMTOSECOND LASERS

Broad-Bandwidth Mid-Infrared Optical Parametric Amplifier

200 300

020406080100Time, ms

Pulse-to-pulse energy stability of ORPHEUS-MIR.
Measured at ≈ 3000 nm

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ORPHEUS-MIRModel

MAIN OUTPUT (2 500 – 10 000 nm)
2 500 – 4 000 nm (Signal)
4 000 – 10 000 nm (Idler)

Tuning range
Maximum pump power

80 W

Pump pulse energy

200 µJ – 3 mJ

Pulse duration< 100 fsConversion efficiency 1)> 1.2% @ 3 000 nm> 1.0% @ 3 500 nm> 0.6% @ 5 000 nm> 0.3% @ 9 000 nm

Spectral bandwidth 2)> 300 cm⁻¹ @ 2 500 – 4 000 nm> 200 cm⁻¹ @ 4 000 – 10 000 nm

Long-term power stability, 8 h 3)

< 2% @ 5 000 nm

Pulse-to-pulse energy stability, 1 min 3)< 2% @ 5 000 nm

AUXILIARY OUTPUT 1 (2 000 nm)
Output wavelength 4)

2000 ± 100 nm

Pulse duration
Conversion efficiency< 50 fs> 8%1)

Spectral bandwidth> 350 cm-¹

AUXILIARY OUTPUT 2 (1 350 – 2 000 nm)
Tuning range 5)

1 350 – 2 000 nm

Pulse duration< 300 fs

Conversion efficiency 1)

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Spectral bandwidth

60 – 150 cm-¹

WAVELENGTH EXTENSION (10 000 – 15 000 nm)
Tuning range 6)

10 000 – 15 000 nm

Pulse duration< 300 fs

Conversion efficiency 1)> 0.2% @ 12 000 nm

Spectral bandwidth

100 – 200 cm-¹

Specified as a percentage of pump power.
2) FWHM (full width at half maximum).
3) Expressed as NRMSD (normalized root meansquared deviation).
1)

DRAWINGS

Not tunable, optimized for best overallperformance. Not simultaneous to OPA output.
5) Simultaneous to OPA output. Available on request.
6) Not available in collinear-output configuration.
4)170766

CLASS 4 LASER PRODUCT400293489

41912517912517DANGER: VISIBLE AND/OR INVISIBLE
LASER RADIATION AVOID EYE OR SKINEXPOSURE TO DIRECT, REFLECTEDOR SCATTERED RADIATIONSCIENTIFIC APPLICATIONS | MICROSCOPY SOURCES | SPECTROSCOPY SYSTEMS | OPCPA SYSTEMS | WAVELENGTH-TUNABLE SOURCES | FEMTOSECOND LASERS

SPECIFICATIONS

11801250

ORPHEUS-MIR drawings

www.phototechnica.co.jp
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TEL:048-871-0067 FAX:048-871-0068

e-mail:voc@phototechnica.co.jp

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