Three-Channel WavelengthTunable Femtosecond Laser
Watt-level output at highrepetition rate for fast imaging

Two tunable and one fixedoutput for simultaneous
multibeam excitation

Automated GDD control for
shortest pulses at the sample

Industrial-grade design for highpower and beam stability

CRONUS-2P tuning curve

CRONUS-2P GDD control range
104.0
3.5

0

2.5
GDD, 103 fs2

Output power, W

3.0

2.0

Output A
Output B
Output C

1.5

1.0

700

800

-10-20
Output A
Output B
Specification range-309001000

1100

1200-401300

700

80090010001100

1200

1300

Wavelength, nm

Wavelength, nm

CRONUS-2P typical output power stability at 900 nm

CRONUS-2P relative intensity noise (RIN)-145
Output A
Output B
Output C

-155

-160

3.2
Output power, W

RIN, dBc/Hz

-150

3.0
λ = 900 nm
NRMSD = 0.15%

Shot noise
2.8

-165

0.2

0.4

0.6 0.8 1.0
2.0Frequency, MHz

4.0

6.0 8.0 10.00

70

200

400

600
Time, h800

1000

1200

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Specifications
Model

Tuning range

CRONUS-2P1)

Output power2) 3)

Output A

Output B

Output C680 – 960 nm960 – 1300 nm

1025 nm (fixed)> 3 W @ 920 nm> 2.5 W @ 1100 nm> 2.5 W

< 160 fs

Repetition rate

77 ± 1 MHz< 1.2

Beam quality, M2 3) 4)
Polarization

Linear, horizontal

Beam divergence, full angle< 1 mradBeam diameter (1/e²)< 1.5 mrad

3.0 ± 0.4 mm4)

3.2 ± 0.4 mm< 20%

Beam astigmatism 4)
Beam pointing stability

2.8 ± 0.4 mm> 0.8

Beam ellipticity 4)< 200 µrad6)

n/a
< 1%

Long-term power stability, 24 h 4) 7)−10000 to −35000 fs² @ 700 nm−3000 to −20 000 fs² @ 800 nm
0 to −10 000 fs² @ 920 nm

0 to −10 000 fs² @ 960 nm−3000 to −10 000 fs² @ 1100 nm−6 000 to −12 000 fs² @ 1300 nm

n/aTuning range 8)

680 – 960 nm

960 – 1300 nm

1025 nm (fixed)

Output power> 2 W @ 920 nm> 2 W @ 1100 nm> 1.5 WGDD control range

OPTIONAL POWER CONTROL9)< 300 ns

Rise/fall time 10)
Contrast ratio

1000:1GDD control range

0 to −6 500 fs² @ 920 nm

0 to −10 000 fs² @ 1100 nm

n/a

OPTIONAL WAVELENGTH EXTENSIONS (UV – VIS)Second harmonic tuning range

340 – 480 nm

480 – 650 nm

Conversion efficiency at peakn/a> 30%ENVIRONMENTAL REQUIREMENTS & DIMENSIONS
Refer to www.lightcon.com
1)

Configuration with dual-output A or dual-output B is also available.

2)

Simultaneous mode: > 1 W @ 920 nm, > 1 W @ 1100 nm, and > 2.5 W @1025 nm.

3)Power control using AOM is applicable, specifications below.

4)

Speficied at 920 nm, 1100 nm, and 1025 nm, respectively.

5)

IR pulse duration determined assuming sech2 shape.

6)

Beam pointing deviation over the entire tuning and GDD control range.

7)

Expressed as NRMSD (normalized root mean squared deviation); with lessthan ±1 °C temperature change after 1 h warm up.

8)

Configuration with dual-output A or dual-output B isalso available.

9)

Simultaneous mode: > 0.7 W @ 920 nm, > 0.7 W @ 1100 nm,and > 1.5 W @ 1025 nm.

10)Specified from 5% to 95%.

Drawings
CRONUS-2P drawing
901
Side view

Front view

260

125

316

806

136
220

25248

575

7.5292

Laser output 680 – 960 nm
Laser output 1025 nm fixed50550528

Laser output 960 – 1300 nm

Top view

www.phototechnica.co.jp
REV. 240522 | SALES@LIGHTCON.COM〒336-0017 埼玉県さいたま市南区南浦和 1-2-17

TEL:048-871-0067 FAX:048-871-0068

e-mail:voc@phototechnica.co.jp

DANGER: VISIBLE AND/OR INVISIBLE
LASER RADIATION AVOID EYE OR SKINEXPOSURE TO DIRECT, REFLECTED OR
SCATTERED RADIATION

CLASS 4 LASER PRODUCTFemtosecond Lasers | Wavelength-Tunable Sources | OPCPA Systems | Spectroscopy Systems | Microscopy Sources | Applications

Pulse duration 4) 5)

Laser Source for AdvancedNonlinear Microscopy
High pulse energy fordeep imaging

1250 – 1800 nm tuning range
for 3P imaging

Down to 50 fs pulse duration
for high peak power

Automated wavelength and GDD
control for optimal signal

Market-leading pulse-topulse energy stability

CRONUS-3P GDD control range

CRONUS-3P output power and pulse energy vs wavelength, at 1 MHz

2000

2.0

1000

1.05000.5105400300
200

GDD, 103 fs2Pulse energy, µJ

Output power, mW151300

14000.31500
1600
Wavelength, nm-150.2
1800

1700-20CRONUS-3P typical pulse duration at 1300 nm and 1700 nm

1.01300 nm-5-100.4
Output without GDD control
Output with GDD control

0Specification range
1.3

1.4

1.5
1.6
Wavelength, µm

1.7

1.8

CRONUS-3P beam profile at 1300 nm

1700 nmIntensity, a.u.

0.8
0.6

47.0 fs

56.7 fs

0.4
0.2
0.0-300 -200 -100

0100
Delay, fs

200 300 -300 -200 -100

0100
Delay, fs

200 300

72WWW.LIGHTCON.COM

Specifications
Model

CRONUS-3P

CRONUS-3P with power control

Tuning range

1250 – 1800 nm

Repetition rate 1)

Single-shot − 1 MHz or 2MHz
1700 nm1300 nm1700 nm< 50 fs< 65 fs< 50 fs< 65 fs

Output power> 1100 mW @ 1 MHz> 800 mW @ 2 MHz> 800 mW @ 1 MHz> 500 mW @ 2 MHz> 1000 mW @ 1 MHz> 700 mW @ 2 MHz> 700 mW @ 1 MHz> 400 mW @ 2 MHz

GDD control range 2)−4000 to +9000 fs2−12000 to +3500 fs2−4000 to +9000 fs2−12000 to +3500 fs2

Beam diameter 3)

2 – 4 mm

Beam quality (M²)

< 1.2

Beam ellipticity> 0.8

Beam divergence< 1 mradBeam pointing stability< 100 µrad
< 1%Long-term power stability, 24 h 4)Pulse-to-pulse energy stability, 1 min< 1%4)

MAIN OUTPUT WITHOUT GDD CONTROL> 1500 mW @ 1 MHz> 1000 mW @ 2 MHzOutput power 5)> 1050 mW @ 1 MHz> 700 mW @ 2 MHzn/a

ADDITIONAL OUTPUTS
Auxiliary 1030 nm amplifier output

1030 ± 10 nm, up to 40 W, up to 2 MHz, < 250 fs
680 – 920 nm, > 1500 mW @ 1 MHz or > 1000 mW @ 2 MHz (@ 920 nm),
< 290 fs (compressible to < 50 fs) 6)

Optional 680 – 920 nm amplifier output
Optional 1030 nm oscillator output

1030 ± 10 nm, up to 500 mW, ≈ 65 MHz, ≈ 200 fs

ENVIRONMENTAL REQUIREMENTS & DIMENSIONS
Refer to www.lightcon.com
1)

Lower repetition rate with higher pulse energy option available.

2)

Continuous dispersion control; −4000 fs2 compensates a
microscope with +4000 fs2.

3)

1/e2, measured at compressor output.

4)

Expressed as NRMSD (normalized root mean squared deviation).

5)

Available only for v1. Contact sales@lightcon.com formore details.

6)With external compressor without GDD control, < 70%transmission at 920 nm.

CRONUS-3P typical long-term power stability at 1300 nm

DANGER: VISIBLE AND/OR INVISIBLE
LASER RADIATION AVOID EYE OR SKINEXPOSURE TO DIRECT, REFLECTED ORSCATTERED RADIATION

CLASS 4 LASER PRODUCTCRONUS-3P typical pulse-to-pulse energy distribution at 1300 nm

λ = 1300 nm

Output power, W

λ = 1300 nm
NRMSD = 0.35%
1.4

NRMSD = 0.29%
1.3050100150Time, h200

250

300

0.96

0.98

CRONUS-3P drawing

391

350

855

www.phototechnica.co.jp
REV. 240522 | SALES@LIGHTCON.COM〒336-0017 埼玉県さいたま市南区南浦和 1-2-17

TEL:048-871-0067 FAX:048-871-0068

e-mail:voc@phototechnica.co.jp

1.00
Pulse energy, a.u.

1.02

1.04

Femtosecond Lasers | Wavelength-Tunable Sources | OPCPA Systems | Spectroscopy Systems | Microscopy Sources | Applications

1300 nm
Pulse duration