Coherent Chameleon Ultra Family
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Coherent Chameleon Ultra Family

The Coherent Chameleon Ultra I and Ultra II lasers deliver the highest power, the widest tuning range, the fastest tuning speed and the lowest noise of all commercially available Ti:Sapphire lasers.

For more information, visit https://www.coherent.com

Coherent Chameleon Ultra Family

High beam quality and pulse duration

Beam quality and pulse duration is specified to perfectly match your microscope or any other femtosecond experiment. Because of these capabilities, it is possible to image more dyes and fluorescent proteins, and to obtain deeper images faster than with any other laser.

High power

The high power from the Chameleon Ultra II makes it an ideal pump source for the Chameleon Compact OPO wavelength extension, enabling imaging even further into the infrared

Ultrawide tuning range

The Chameleon Ultra II’s 680 nm to 1080 nm tuning range allows peak excitation of any marker – from short-wavelength dyes such as Indo or Fura, ubiquitous fluorescent probes such as eGFP, and also red shifted probes such as the mFruits and RCaMP. High peak power at the sample also ensure optimum native fluorescence excitation or SHG imaging.

Versatile

Chameleon Ultra is the true workhorse of the non-linear imaging market and has been qualified with the widest range of commercial inverted or upright multiphoton microscope platforms available. 

​ Chameleon Ultra Applications:

• Multiphoton Excitation (MPE) Microscopy
• Non-linear Optics
• Time Resolved Spectroscopy
• CARS/SRS Microscopy
• Optogenetic Photoactivation
• Second Harmonic Generation Imaging
• Pumping of Optical Parametric Oscillators (OPO)

Chameleon Ultra I
Chameleon Ultra I
Average Power (W) (at peak of tuning range)
Average Power (W) (at peak of tuning range)
>2.9
Tuning Range (nm)
Tuning Range (nm)
690 to 1040
Peak Power (kW) (at peak of tuning range)
Peak Power (kW) (at peak of tuning range)
>250
Power Specifications
Power Specifications
>600 mW at 690 nm
>1.5W at 710 nm
>2.9W at 800 nm
>1.45W at 920 nm
>450 mW at 1020 nm
>300 mW at 1040 nm
Tuning Speed2 (nm/s)
Tuning Speed2 (nm/s)
>40
Chameleon Ultra II
Chameleon Ultra II
Average Power (W) (at peak of tuning range)
Average Power (W) (at peak of tuning range)
>3.5
Tuning Range (nm)
Tuning Range (nm)
680 to 1080
Peak Power (kW) (at peak of tuning range)
Peak Power (kW) (at peak of tuning range)
>300
Power Specifications
Power Specifications
>650 mW at 680 nm
>1.6W at 700 nm
>3.5W at 800 nm
>1.6W at 920 nm
>550 mW at 1020 nm
>200 mW at 1080 nm
Tuning Speed2 (nm/s)
Tuning Speed2 (nm/s)
>40
Chameleon Ultra I & Ultra II
Chameleon Ultra I & Ultra II
Pulse Width (fs)
Pulse Width (fs)
140
Noise (%)
Noise (%)
<0.15
Output Power Stability (%)
Output Power Stability (%)
<±0.5
Spatial Mode
Spatial Mode
TEM00 (M2 <1.1)
Beam Diameter (mm)
Beam Diameter (mm)
1.2 ±0.2
Beam Ellipticity
Beam Ellipticity
0.9 to 1.1
Astigmatism
Astigmatism
<10%
Repetition Rate (MHz)
Repetition Rate (MHz)
80
Polarization
Polarization
Horizontal >500:1
Pointing (μrad/nm)
Pointing (μrad/nm)
<0.5
Operating Voltage
Operating Voltage
90 to 250 VAC (auto ranging)
Maximum Operating Current
Maximum Operating Current
<15A at 90 VAC (power supply)
<7A at 90 VAC (chiller)
<2A at 90 VAC (MRU X1)
System Power Consumption
System Power Consumption
2300W max., 1300W typical
Line Frequency
Line Frequency
47 to 63 Hz
Operating Temperature Range
Operating Temperature Range
15 to 35°C (59 to 95°F)
Non-operating Temperature Range
Non-operating Temperature Range
5 to 40°C (41 to 104°F)
Weight of Laser Head
Weight of Laser Head
42 kg (93 lbs.)
Weight of Power Supply
Weight of Power Supply
41 kg (90 lbs.)
Umbilical Length
Umbilical Length
4 m (13 ft.)
Chiller: Dimensions (L x W x H)
Chiller: Dimensions (L x W x H)
436 x 270 x 393 mm (17.17 x 10.63 x 15.47 in.)
Chiller: Weight
Chiller: Weight
11 kg (25 lbs.)
MRU Air Recirculator: Dimensions (L x W x H)
MRU Air Recirculator: Dimensions (L x W x H)
46 x 43 x 8.5 cm (18 x 17 x 3 in.)
MRU Air Recirculator: Weight
MRU Air Recirculator: Weight
9 kg (20 lbs.)