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fs tunable laser for PHAROS "I-OPA"
ㆍ작성자: 전재필	ㆍ작성일: 2015-12-16 (수) 14:56	ㆍ조회: 1085

PHAROS

Industrial grade Optical Parametric Amplifier

Industry grade Optical Parametric Amplifier (OPA). Manually tunable output wavelength extends the application possibilities of a single laser source, instead of requiring multiple lasers.

FEATURES
Based on experience with ORPHEUS line of OPA products
Manually tunable wavelength
Industrial grade design provides excellent long-term stability
Very small footprint
Bandwidth limited or short-pulse configurations available
CEP option

Description:
I-OPA is an optical parametric amplifier of white-light continuum pumped by the PHAROS laser. This OPA is focused on generating long-term stable output with reliable and hans-off operation. Manually tunable output wavelength extends the application possibilities of a single laser source, instead of requiring multiple lasers based on different technologies.
In comparison to standard ORPHEUS line of devices, the I-OPA lacks only computer controlled wavelength selection. On the other hand, in-laser mounted design provides mechanical stability and eliminates the effects of air-turbulence, ensuring stable long-term performance and minimizing energy fluctuations.

I-OPA specifications

MODEL	I-OPA	I-OPA-F	I-OPA-ONE	I-OPA-CEP
Based on OPA	ORPHEUS	ORPHEUS-F	ORPHEUS-ONE	-
Pump pulse energy	10 – 500 μJ	10 – 400 μJ	20 – 500 μJ	150 – 500 μJ
Pulse repetition rate	Up to 1 MHz
Tuning range, signal	630 – 1030 nm	650 – 900 nm	1350 – 2060 nm	-
Tuning range, idler	1030 – 2600 nm	1200 – 2500 nm	2060 – 4500 nm	1400 – 2500 nm
Conversion efficiency (signal and idler combined)	>12 %	>12 %	>15 %	>10 %
Pulse energy stability < 2% STD over 1 min.	650 – 950 nm 1150 – 2000 nm	650 – 850 nm 1350 – 2000 nm	1500 – 3500 nm	1400 – 2000 nm
Pulse bandwidth	100 – 150 cm-1	200 – 600 cm-1	80 – 200 cm-1	~150 cm-1
Pulse duration	150 – 250 fs	30 fs – 80 fs	200 – 300 fs	< 200 fs
Applications	Micro-machining Microscopy Spectroscopy	Nonlinear microscopy Ultrafast spectroscopy	Micro-machining Mid-IR generation	OPCPA front-end

1) Better stability can be specified for a specific wavelength (e.g. < 1% STD at 800 nm).
2) Output pulse duration depends on wavelength and pump laser pulse duration.
3) I-OPA-F outputs broad bandwidth pulses which are compressed externally.

Comparison with other femtosecond and picosecond lasers

Laser technology                               Our solution                 HG or HIRO      I-OPA-F      I-OPA-ONE
                                                                                       Pulse energy at 100 kHz, using PHAROS-10W laser
Excimer laser (193 nm, 213 nm)      5H of PHAROS (205 nm)        5 μJ                  –                    –
TH of Ti:Sa (266 nm)                      4H of PHAROS (257 nm)      10 μJ                  –                   –
TH of Nd:YAG (355 nm)                    3H of PHAROS (343 nm)       25 μJ                 –                    –
SH of Nd:YAG (532 nm)                    2H of PHAROS (515 nm)     50 μJ               35 μJ                –
Ti:Sapphire (800 nm)                        OPA output (750–850 nm)      –                    10 μJ               –
Nd:YAG (1064 nm)                           PHAROS output (1030 nm)    100 μJ             100 μJ             100 μJ
Cr:Forsterite (1240 nm)                     OPA output (1200–1300 nm)    –                     5 μJ               –
Erbium (1560 nm)                             OPA output (1500–1600 nm)    –                    3 μJ                15 μJ
Thulium / Holmium (1.95–2.15 μm)     OPA output (1900–2200 nm)    –                    2 μJ                10 μJ
Other sources (2.5 – 4.0 μm)             OPA output                            –                      –                  1–5 μJ

Note that the pulse energy scales linearly in a broad range of pump parameters. For example, a PHAROS-20W laser at 50 kHz (400 μJ energy) will increase the output power twice, and the pulse energy – 4 times compared to the reference table above. The pulse duration at the output is <300 fs in all cases. The OPA output is not limited to these particular ranges of operation, it is continuously tunable as shown in the figure below.

제조사: www.lightcon.com
제조국: Lithuania

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