• Wavelength range: 1200 to 1650 nm
• Wavelength resolution: 0.1 to 2 nm
• High wavelength accuracy: ±0.02 nm
• High dynamic range: 55 dB
• Wide measurement range: +20 to −80 dBm

• Wavelength Range: 600 nm to 1700 nm
• Wavelength Accuracy: ±0.008 nm (typical)
• Wavelength Resolution: 0.02 nm
• Close-in Dynamic Range: 78 dB (typical)
• Level Range: +20 to -90 dBm
• Up to 2x faster measurement with SMSR mode
• Sharper spectrum measurement with HCDR mode
• Large touchscreen LCD for easy operation and data visualization

• Wavelength resolution:
  • 0.05 to 2 nm (Standard model)
    • 0.03 to 2 nm (High performance model）
• Wavelength range:
  • 1200 to 1700 nm (SW type)
  • 700 to 1700 nm (EW type)
• Level range: ＋20 to －80 dBm
• Up to 20x faster measurement (CW light)
• Compact and space-saving
• Supports single-mode and multi-mode fiber

• Three available models for short wavelength range applications: Standard, High Resolution, Limited
• Wavelength Range: 350 – 1200 nm (all models)
• Wavelength Resolution
  • Standard: 0.02 nm – 10 nm
  • High Resolution: 0.01 nm – 10 nm (0.01 nm from 350 – 600 nm)
  • Limited: 0.1 nm – 5 nm
• Wavelength Accuracy
  • Standard: ±0.05 nm (633 nm), ±0.2 nm (400 – 1100 nm)
  • High Resolution: ±0.05 nm (633 nm), ±0.2 nm (400 – 1100 nm)
  • Limited: ±0.05 nm (633 nm), ±0.2 nm (400 – 1100 nm)
• Close-In Dynamic Range
  • Standard: 60 dB (λ_PK ± 0.5 nm)
  • High Resolution: 60 dB (λ_PK ± 0.5 nm)
  • Limited: 45 dB (λ_PK ± 0.5 nm)
• Sensitivity
  • Standard: -80 dBm (500 – 1000 nm)
  • High Resolution: -80 dBm (500 – 1000 nm)
  • Limited: -70 dBm (500 – 1000 nm)
• Measurement Level Range
  • Standard: 100 dB (-80 – +20 dBm)
  • High Resolution: 100 dB (-80 – +20 dBm)
  • Limited: 90 dB (-70 – +20 dBm)
• Max Safe Input Power: +20 dBm (550 to 1100 nm) +10 dBm (400 to 550 nm) (total input power)
• Single-mode, multimode, and large-core fibers
• Built-in optical alignment source
• Wavelength calibration with an external reference source
• Various analysis functions including color analysis for VIS

• Wide dynamic range: 60dB (peak ±1.0 nm)
• Wide level range: +20 to -80dBm
• Fast measurement: 0.5 sec. (100 nm span)
• Wide wavelength range: 350 – 1750 nm
• High wavelength resolution: 0.05 nm (full wavelength range)
• High wavelength accuracy: ±0.05 nm (633/1523 nm), ±0.2 nm (350 – 1750 nm)
• Close-in dynamic range: 60 dB (λ_PK ±1 nm)
• Sensitivity: -80 dBm (900 – 1600 nm), -70 dBm (400 – 900 nm)

• Lineup of 3 models [Standard, Extended and Limited]
• Long wavelength range:
  • 1200 to 2400 nm [Standard, and Limited]
  • 1000 to 2500 nm [Extended ]
• Gas purging ports to reduce water vapor effects
• Built-In cut filter for high order diffracted light *
• Double Speed Mode to further enhance fast measurement speed
• High sensitivity down to -70 dBm *
• High resolution to 0.05 nm *
• Wide close-in dynamic range (55dB) *
• Fast auto-calibration
• Free space optical input for maximum flexibility, low maintenance, and high reliability
• Applicable to single-mode and multimode fibers
• Excellent performance for environmental gas sensing Laser Spectroscopy
• Indispensable tool for R&D and manufacturing of optical devices in the wavelength range from telecom band to 2.5 μm

*  Except Limited Model

• Long wavelength range: 1500 to 3400 nm
• Gas purging ports to reduce water vapor effects
• Built-In cut filter for high order diffracted light
• Double Speed Mode to further enhance fast measurement speed
• High sensitivity down to -65 dBm
• High resolution to 0.1 nm
• Wide close-in dynamic range (55dB)
• Fast auto-calibration
• Free space optical input for maximum flexibility, low maintenance, and high reliability
• Applicable to single-mode and multimode fibers
• Excellent performance for environmental gas sensing Laser Spectroscopy
• Indispensable tool for R&D and manufacturing of optical devices in the wavelength range from telecom band to 3.4μm

• Long wavelength range: 1500 to 3400 nm
• Gas purging ports to reduce water vapor effects
• Built-In cut filter for high order diffracted light
• Double Speed Mode to further enhance fast measurement speed
• High sensitivity down to -65 dBm
• High resolution to 0.1 nm
• Wide close-in dynamic range (55dB)
• Fast auto-calibration
• Free space optical input for maximum flexibility, low maintenance, and high reliability
• Applicable to single-mode and multimode fibers
• Excellent performance for environmental gas sensing Laser Spectroscopy
• Indispensable tool for R&D and manufacturing of optical devices in the wavelength range from telecom band to 3.4μm

• Long wavelength range: 1900 to 5500 nm
• Gas purging ports to reduce water vapor effects
• Built-In cut filter for high order diffracted light
• Double Speed Mode to further enhance fast measurement speed
• High sensitivity down to -65 dBm
• High resolution to 0.1 nm
• Wide close-in dynamic range (55dB)
• Fast auto-calibration
• Free space optical input for maximum flexibility, low maintenance, and high reliability
• Applicable to single-mode and multimode fibers
• Excellent performance for environmental gas sensing Laser Spectroscopy
• Indispensable tool for R&D and manufacturing of optical devices in the wavelength range from telecom band to 3.4μm

• Wavelength range: 1200 to 1650 nm
• High wavelength resolution: 5 pm
• High wavelength accuracy: ±5 pm
• Wide close-in dynamic range: 65 dB
• High stray-light suppression: 80 dB
• Fully automated periodical wavelength calibration with a built-in light source
• Semi-automated wavelength calibration with an external light source