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TOPAG Lasertechnik GmbH
Nieder-Ramstädter Str. 247
64285 Darmstadt
Telefon: +49 6151 4259 78
Telefax: +49 6151 4259 88 
E- mail: info [at] 

ORPHEUS collinear

Tunable femtosecond OPA system ORPHEUS


ORPHEUS is a colinear optical parametric amplifier, maintains the best features of TOPAS series amplifiers: high output stability throughout the entire tuning range, high output pulse and beam quality, full computer control via USB port as well as lots of optional frequency mixers to extend the tuning range from UV up to mid-IR ranges. It can also operate at wide range of repetition rates from 1 kHz up to 1 MHz.



Bezeichnungen der Tabs

  • Description
  • Specifications
  • Pictures
Tab 1

  • Built on well known TOPAS OPA basis
  • Repetition rate up to 1 MHz
  • High energy conversion into parametric radiation
  • Near bandwidth and diffraction limited output
  • Adaptable to different pump pulse energy, wavelength and pulse duration
  • Full computer control via USB port and dedicated software
  • Fundamental and second harmonic of pump laser available from the same enclosure
  • Compact footprint when combined with Pharos pump laser <0.5 square meter

Parametric amplification is performed with the second harmonic of pump laser. 515 nm pump beam is generated inside of OPA unit with computer controlled angle adjustment. Fresh/residual fundamental and second harmonic radiation (1030 nm and 515 nm respectively) are accessible from dedicated output ports. ORPHEUS provides tunable OPA output (630-2600 nm) with residual second harmonic and fundamental radiation beams at the same time.
Femtosecond pulses, high power tunable output together with flexible multi-kilohertz repetition rate make the tandem of PHAROS and ORPHEUS an invaluable tool for multiphoton microscopy, micro-structuring and spectroscopy applications.
Several ORPHEUS can be pumped by single PHAROS laser providing independent beam wavelength tuning.

Tab 2

Required pump laser PHAROS, PHAROS-SP, CARBIDE
Tuning range 630-1020 nm (signal) and 1040-2600 nm (idler)
Pulse energy conversion efficiency at peak of
tuning curve (signal and idler combined)
>12% when pump energy 20-1000 uJ
>6% when pump energy 8-20 uJ
Pulse energy stability
<2% rms @ 700-960 and 1100-2000 nm
Pulse Bandwidth 80-120 cm-1 @ 700-960nm, pumped by PHAROS 4-15W
120-220 cm-1 @ 700-960nm, pumped by PHAROS-SP
Pulse duration 150-230 fs pumped by PHAROS
120-190 fs pumped by PHAROS-SP
Time-bandwidth product < 1.0
Integrated SHG 515 nm, conversion efficiency >40%

Output of optional UV-VIS converter

SH of Signal
SH of Idler FH of Signal FH of Idler
Tuning range 315-510 nm 520-630 nm 210-255 nm 260-315 nm
Pulse energy conversion efficiency* >4% at peak @ 20-1000 uJ
>2% at peak @ 8-20 uJ
>0.6% at peak @ 20-1000 uJ
>0.3% at peak @ 8-20 uJ

Output of optional mid-IR

Tuning range 2200-5000 nm 5000-16000nm
Pulse energy conversion efficiency
at 20-1000 uJ pump*

>3% @ 3000 nm

>0.2% @ 10000 nm
Pulse energy conversion efficiency
at 8-20 uJ pump*
>1.5% @ 3000 nm
>0.1% @ 10000 nm

*Conversion efficiency specified as the percentage of input power to ORPHEUS 

Tab 3

Tab 3 Inhalt

Tab 4

Tab 4 Inhalt

Tab 5
Bild 1
 Orpheus on table
Beschreibung 1
 PHAROS, ORPHEUS and LYRA on optical table
Bild 2
 tuning curve OPA
Beschreibung 2
Typical tuning curve of ORPHEUS
Bild 3
 orpheus stability
Beschreibung 3
ORPHEUS signal stability
Bild 4
 orpheus signal spectral width
Beschreibung 4
 ORPHEUS signal spectral width
Bild 5
 orpheus drawing
Beschreibung 5
 ORPHEUS drawing
Bild 6
Beschreibung 6
Bild 7
Beschreibung 7
Bild 8
Beschreibung 8
Bild 9
Beschreibung 9
Bild 10
Beschreibung 10
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