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  13. Koheras ADJUSTIK HP Single-Frequency Lasers

Koheras ADJUSTIK HP Single-Frequency Lasers

The Koheras ADJUSTIK is a rack-mountable benchtop single-frequency DFB fiber laser. Based on our renowned BASIK modules, the ADJUSTIK is the pinnacle of industrial low noise lasers featuring ultra-low phase noise and Hz-range linewidth normally only found in costly scientific systems.

This range of benchtop laser systems is typically offered as rapidly deployable sources for research laboratories that wish to use it as a tool for scientific work and not spend time on setting up a laser system.

The benchtop models are based on our Koheras BASIK Module seed technology and are upgradable in terms of output power. The systems are supplied with our NKTP CONTROL software for the control and read-out of laser parameters on a PC such as a wavelength, output power, and RIN suppression.

IDEAL FOR LOW-NOISE APPLICATIONS

The ADJUSTIK lasers are ideal for experimental work for all kinds of low noise applications e.g. for metrology and coherent sensing where laser noise is critical.

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Koheras ADJUSTIK HP Single-Frequency Lasers

Features
specifications
Document
Industries
Methods
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Features

  • Center wavelengths in the 1535–1580 nm and 1030–1120 nm ranges
  • High-power: Up to 2 W
  • Industry-leading low phase noise and extremely narrow linewidth
  • Stable single-frequency operation
  • Wide thermal wavelength tuning
  • Integrated fast wavelength modulation
  • Polarization-maintaining fiber output
  • Robust and maintenance-free

specifications

Optical
Model
X15 1)
E15
C15
Y10
Laser Emission CW – inherently single frequency CW – inherently single frequency CW – inherently single frequency CW – inherently single frequency
Output Power [W] 2.0 2.0 2.0 0.2
Operating Wavelength [nm] 1545-1565 1545-1565 1545-1565 1060-1075
Output Power Tuneability [%] 10-100 10-100 10-100 10-100
Beam Quality [M²] < 1.05 < 1.05 < 1.05 < 1.05
Linewidth [kHz] 2) < 0.1 < 0.1 < 15 < 20
RIN Peak [MHz] Approx. 0.7 Approx. 0.7 Approx. 1.0 Approx. 1.5
RIN Level @ peak / 10 MHz [dBc/Hz] <-100 / <-135 <-100 / <-135 <-120 / <-140 <-120 / <-140
Optical S/N (50 pm res.) [dB] > 40 > 40 > 55 > 55
Min Thermal Wavelength Tuning Range [pm] 3) +/- 350 +/- 350 +/- 350 +/- 240
Total Thermal Tuning Range [pm] 1000 1000 1000 680
Fast Wavelength Modulation Range [GHz] 4) 0.5 8 8 10
Fast Wavelength Modulation [kHz] 4) Up to 20 Up to 20 Up to 20 Up to 20
PM Output – PER [dB] > 23 > 23 > 23 > 23
Output Isolation [dB] 30 30 30 30
Mechanical/Electrical
Power Supply Requirements [VAC] 100-240, 50-60 Hz
Digital Interface USB 2.0, Ethernet 10/100
Amplitude and Frequency Modulation DB9 (male), differential 2×5 V
Fiber Output Type FC/APC
Fiber Pigtail Length [m] App. 1
Monitor Output Yes (FC/APC bulkhead)
Dimensions (WxHxL) [mm] 483 x 48.5 x 386 (19” 1U)
Weight [kg] < 7
Environmental
Operating Temperature Range [°C] 15 – 55 (internal case temp)
Storage Temperature [°C] -20 – 60
Humidity non Condensing [%RH] 0 – 70

1) X15 phase noise approximately 20 dB lower in the 1 Hz-10 kHz frequency range compared to E15.
2) Lorentzian.
3) Relative to the center wavelength at room temperature. If the laser case temperature is outside the interval of approx. 10-50°C, the range of detuning from the center wavelength may be reduced.
4) Modulation depth and frequency are typically slew-rate limited, depending on the power.

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Document

Koheras ADJUSTIK Datasheet

Industries

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Methods

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