iChrome MLE

Powerful 4 Color Laser Engine

  • Perfect choice for Microscopy and Flow Cytometry
  • Up to 4 laser lines
  • COOLAC – hands free, self aligning system
  • Direct modulation up to 20 MHz
  • Supported by µ-Manager microscopy software

The iChrome MLE combines up to 3 different diode lasers and one DPSS laser fully integrated in one compact housing. The individual lasers are efficiently coupled and delivered via an all-in-one PM/SM fiber output. The microprocessor controlled system enables flexible OEM integration. High speed analog and digital modulation allow fast switching of laser wavelength and intensity.

 

TOPTICA’s ingenious COOLAC technology automatically aligns the system with a single push of a button. This feature ensures a constant optical output level even under strongly varying ambient conditions and completely eliminates the need for manual realignment - making the iChrome MLE the most advanced multi-line laser system on the market.

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  • Specification

    Wavelength [nm] 405 420 445 460 473 488 505 515 532 561 568 594 640
    Center Wavelength Range [nm] ± 4 ± 5 ± 5 ± 5 ± 5 ± 4 ± 5 ± 5 ± 2 +3/-5
    Fiber Coupled cw Output Power [mW] 50 50 50 40 40 40 30 40 40 40 65 30 50
    Fiber Coupled cw Output Power - High Power version [mW] 100 50 100 100 100 100 30 60 100 100 100 30 100

    Customized configurations and other wavelengths on request.

    Power Stability < 5 % (drift over 8h @ room temperature +/- 3 °C)
    RMS Noise 10 Hz - 10 MHz < 0.2 %
    Long-Term Output Power Average < 5%/1000hrs
    M² < 1.1
    Ellipticity < 10 %
    Polarization Ratio (typ.) > 100:1, linear
    Polarization Orientation Tolerance ± 3 °
    Fiber Specification
    Fiber Output Connector FC/AFC (8° angled) as standard, others like FC/PC, FCP8, FC/APC or SC on request
    Max. Fiber Cable Length 2 m
    Fiber Cable Type 3 mm Stainless Steel reinforced
    Fiber Minimum Bend Radius 50 mm
    Fiber Type Single-mode, Polarization Maintaining
    Fiber Numerical Aperture (5%) (typ.) 0.080 0.080 0.078 0.077 0.077 0.076 0.075 0.074 0.073 0.071 0.070 0.069 0.068
    Typ. Mode-field diameter [µm] 3.9 4.1 4.4 4.6 4.9 5.0 5.2 5.4 5.6 6.2 6.3 6.7 7.5
    Electronic Specification
    Digital Modulation
    Supported Digital Signal Levels TTL
    Max. Digital Modulation Frequency 20 MHz
    Rise/Fall Time (10% - 90 %) < 5 ns < 15 ns < 5 ns
    Typ. Trigger to light < 50 ns < 500 ns < 50 ns
    Digital Modulation Extinction Ratio inf. 106 inf.
    Analog Modulation
    Max. Modulation Frequency 1 MHz (depending on modulation depth)
    Typ. Analog Trigger to Light 500 ns
    Analog Modulation Extinction Ratio inf. 106 inf.
    General and Environmental Specification
    Certification CE compliance, RoHS compliance, CDRH
    Laser Class Class 3b
    Digital Communication Interface RS 232 (≤ 115.200 baud), Ethernet
    Operating Ambient Temperature Range 15 .. 40 °C
    Storage Temperature Range -10 .. 60 °C
    Operating Relative Humidity < 90 °C, non-condensing

    Dimensions Laser Head
    (and HP Version)

    		 250 x 295 x 110 mm³ (L x W x H)
    Weight 7.5 kg
    DC Input Requirements 12 V DC, < 6A (< 11A HP Version)
    Power Consumption < 70 W (< 120 W HP Version)
  • Additional Information
    TOPTICA AG -
    TOPTICA AG - Schematic of the iChrome MLE Schematic of the iChrome MLE
    TOPTICA AG - iChrome MLE: Excellent power stability (drift over 24h) iChrome MLE: Excellent power stability (drift over 24h)
    TOPTICA AG - iChrome MLE: Trigger to light (typ.) < 50 ns iChrome MLE: Trigger to light (typ.) < 50 ns
    TOPTICA AG - iChrome MLE: RMS noise (10 Hz – 10 MHz): < 0.2 % iChrome MLE: RMS noise (10 Hz – 10 MHz): < 0.2 %
  • Options

    Standard Features:

    • COOLAC: Constant Optical Output Level by push-button auto-recalibration. This feature ensures full drop-shipment capability and best stability even under heavily changing ambient conditions
    • FINE: Feedback Induced Noise Eraser for laser diode based wavelengths. Immunization to optical feedback, ideal for fiber coupling and reflective surfaces

     

    Optional Features:

    • Fiber Switch for iChrome MLE, switching time < 3ms, either 2x single mode or 2x single mode, polarization maintaining output fibers
    • FiberOut: Fiber collimator for FC/APC and FC/PC fibers
    • Global Process-Shutter: Shuttering all laser wavelength simultaneously, operation via software and hardware signals (TTL), hardware signals are dominant, shutter is normally closed
    • DPSS Process-Shutter: Shuttering DPSS laser wavelength only, operation via software and hardware signals (TTL), hardware signals are dominant, shutter is normally closed
    • Passive Cooling Kit: Suitable for iChrome MLE and iChrome MLE-HP. For use in regular lab environment (up to 25°C)
    • Active Cooling Kit: Suitable for iChrome MLE and iChrome MLE-HP. For use in warm lab environments (max. 32 °C)
  • Applications
    • Flow cytometry
    • Confocal microscopy
    • Live-cell imaging
    • TIRF
    • FRAP
    • High throughput screening 
    • Genome analyzers
    • Optogenetics
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