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Coherent
INNOVA 70C

I-70C is an ion laser pared to its essential functionality. It is an entry-level device ideally suited for light industrial and scientific applications such as flow visualization, microscopy, and spectroscopy.

I-70C features a compact laser head and an aluminum resonator for rapid warm-up and high stability in in single-wavelength operation. It incorporates the same metal-ceramic plasma tubes, linear passbank power supply/control unit, and digital remote control found on our more elaborate I-90C and I-300C models. I-70C is also offers a mixed gas (Ar+Kr) option for those looking to maximize their wavelength coverage in a single package.

The INNOVA 70C has earned an excellent reputation as a laboratory and industrial workhorse. It provides a unique combination of high performance and affordability for applications such as Raman spectroscopy, fluorescence spectroscopy, laser pumping, and laser doppler velocimetry. The INNOVA 70C is available in argon, krypton and mixed-gas configurations, with output wavelengths from the ultraviolet to the infrared.

INNOVA 70C Key Attributes:

  • Multiline output power to 5W
  • Most compact laser head in the Innova series
  • Fast warm-up
  • Most cost-effective solution for cw output in the multi-watt regime
  • Argon, Krypton, and Mixed-gas models
Applications
Application
Process
Material

Life Sciences
Scientific
Confocal Microscopy
Flow Cytometry
Laser Doppler Velocimetry
Fluorescence Excitation
Dye Laser
Ti:Sapphire Laser
Features & Benefits

Power Specifications1
70C-3 70C-4 70C-5
70C-K
70C-Spectrum
Wavelength (nm)
Multiline Blue/Green 3.0 4.0 5.0 _ _
Multimode Blue/Green 4.50 5.50 6.0 _ _
Multiline Red _ _ _ 0.75 _
Multiline ‘Whitelight’ _ _ _ _ 2.50
752.5 - - - - 0.03
676.4 - - - 0.12 -
647.1 - - - 0.50 0.25
568.2 - - - - 0.15
530.9 - - - - 0.13
528.7 0.25 0.30 0.30 - -
520.8 - - - - 0.13
514.5 1.20 1.70 2.00 - 0.25
501.7 0.20 0.30 0.35 - -
496.5 0.40 0.50 0.60 - -
488.0 1.00 1.30 1.50 - 0.25
476.5 0.40 0.50 0.60 - 0.10
472.2 0.06 0.10 0.10 - -
465.8 0.05 0.07 0.07 - -
457.9 0.20 0.30 0.30 - 0.03
Multiline UV - - 0.05 - 0.05

Beam Specifications2
Argon Krypton
Beam Diameter (@ 1/e2 points)3
1.5 mm
1.5 mm
Beam Divergence (full angle) 0.5 mrad 0.8 mrad
Long Term Power Stability4
Light Regulation
+/- 0.5% +/- 0.5%
Current Regulation
+/- 3.0% +/- 3.0%
Optical Noise (rms)5
Light Regulation
0.5% 0.5%
Current Regulation
0.5% 0.5%

1 All powers are listed in Watts. Guaranteed power specifications for standard systems are indicated in bold print. All power specifications, except multiline visible and IR, are TEM00.

2 All beam specifications are measured at specified output powers at 514.5 nm for argon lasers and 47.1 nm for krypton lasers.

3 Beam diameter is measured at the output-coupler mirror.

4 Maximum peak variation over any 30 minute period after a 2-hour warm-up.

5 Measured with a 10 Hz to 2 MHz photodiode driving a resistive load at 514.5 nm for argon systems and 647.1 nm for krypton systems.

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Risk factors: Except for the historical information contained here, many of the matters discussed in this Web site are forward-looking statements, based on expectations at the time they were made, that involve risks and uncertainties that could cause our results to differ materially from those expressed or implied by such statements. These risks are detailed in the “Factors That May Affect Future Results” section of our latest 10-K or 10-Q filing. Coherent assumes no obligation to update these forward-looking statements.


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