K2-OPO-mini: Compact 1 GHz Optical Parametric Oscillator with Dual-Comb Option

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Specifications

Center Wavelength (option 1): 1450 – 1950 nm
Center Wavelength (option 2): 2200 – 4300 nm
Bandwidth (FWHM): 20 nm
Pulse Duration: 250 fs
Optional Pulse Duration: 100 fs
Repetition Rate: 900 – 1100 MHz
Mode Locked Power (avg.): 400 mW
Pulse Energy: 0.4 nJ
Individual Comb RIN: <-160 dBc/Hz for frequencies above 1 MHz
Output Wavelength: Factory fixed, inquire for tunable options
Output Power Per Comb At 1550 [nm]: >400 mW
Output Power Per Comb At 1645 [nm]: >350 mW
Output Power Per Comb At 1800 [nm]: >250 mW
Output Power Per Comb At 2400 [nm]: >200 mW
Output Power Per Comb At 3300 [nm]: >120 mW
Repetition Rate Difference: tunable between -100 kHz and +100 kHz
Relative Timing Noise: <10 fs [100 Hz, 100 kHz]
Size (L X W X H): 275 x 210 x 95 mm³
Output Height: 60 mm on (W) side
Operating Temperature: 15 – 30°C with <25°C baseplate (contact cooling)
Relative Humidity: 20 – 70% (non-condensing)
Power Consumption: <75 W
Electrical Requirements: 24 VDC, 5 A

Got questions about specs? Use the inquiry form to ask.

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Features

  • Ultrafast 1-GHz Repetition Rate: Achieve high-speed performance with a 1 GHz repetition rate, ideal for precision applications.
  • Dual-Comb Optical Parametric Oscillator: Offers a dual-comb option for advanced spectroscopy and frequency comb applications.
  • Compact and Powerful Design: The K2-OPO-mini is a compact solution that delivers high power with ultra-low noise.
  • Wide Wavelength Range: Factory-fixed wavelengths with customizable options from 1450 nm to 4200 nm to suit various applications.
  • Ultra-Low RIN and Timing Noise: Ensures stable and reliable performance with minimal noise interference.
  • High Power Operation: Delivers significant power output across multiple wavelengths, including 1550 nm (>400 mW) and 3300 nm (>120 mW).
  • Ultrashort Pulses: Emits femtosecond pulses with a pulse duration of <250 fs, with options for <100 fs.
  • Fiber-Coupled Output: Provides a convenient and efficient fiber-coupled output for seamless integration.
  • Integrated Pump Laser Output: Features an integrated pump laser for enhanced functionality.
  • Signal & Idler Pair Output: Offers tunable configuration for versatile application use.
  • Custom Options Available: Tailor the system to your specific needs with various customization options.
  • Applications: Ideal for time-resolved spectroscopy, multi-species gas sensing, reaction kinetics, and nonlinear microscopy.
  • Compact Dimensions: All-in-one system with dimensions of 275 x 210 x 95 mm³, ensuring easy installation and operation.
  • Operating Conditions: Designed to operate efficiently within 15 – 30°C and 20 – 70% relative humidity.
  • Low Power Consumption: Consumes less than 75 W, making it energy-efficient.

Applications

  • Dual-Comb Infrared Spectroscopy
    The K2-OPO-mini enables high-speed dual-comb spectroscopy across the infrared using two highly correlated pulse trains generated from a single-cavity architecture. Its ultralow noise performance and broad wavelength coverage support high-resolution molecular spectroscopy, chemical identification, and broadband gas sensing.
  • Multi-Species Gas Sensing
    The wide infrared tuning range allows access to important molecular absorption bands for simultaneous detection of multiple gas species. The high coherence and low-noise operation improve sensitivity and spectral resolution for environmental monitoring, industrial sensing, and laboratory spectroscopy.
  • Time-Resolved Spectroscopy
    With femtosecond pulse durations and exceptional timing stability, the system is ideally suited for pump-probe spectroscopy, ultrafast transient measurements, and dynamic material characterization. The high repetition rate supports faster acquisition and improved averaging performance.
  • Reaction Kinetics Studies
    The combination of infrared wavelength coverage, high temporal resolution, and ultralow noise enables precise monitoring of chemical reactions and transient molecular dynamics in spectroscopy and photochemistry applications.
  • Nonlinear Microscopy
    The K2-OPO-mini provides high peak power ultrashort pulses for nonlinear imaging techniques including multiphoton microscopy and harmonic generation microscopy. The infrared wavelength flexibility enables optimized excitation for biological imaging and advanced microscopy systems.
  • Optical Frequency Comb Applications
    The system supports infrared optical frequency comb generation for precision metrology, spectroscopy, and coherent optical measurements requiring stable femtosecond pulse generation and low phase noise performance.
  • Precision Ranging and Metrology
    The optional dual-comb architecture supports precision optical ranging and interferometric distance measurements with high temporal precision and improved measurement stability for scientific and industrial metrology applications.

Why Single-Cavity Dual-Comb Technology?
Traditional dual-comb spectroscopy systems often require synchronization of two independent mode-locked lasers, increasing system complexity and sensitivity to environmental drift. The K2-OPO-mini simplifies this approach using a spatially multiplexed single-cavity dual-comb architecture capable of generating two highly coherent pulse trains within the same optical system.

This design improves mutual coherence, reduces timing drift, simplifies synchronization, and enables more compact and robust dual-comb spectroscopy implementations. The result is enhanced stability and measurement reliability for infrared spectroscopy, precision ranging, and ultrafast optical measurements.