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Agilent (Keysight/HP) 81657A Laser Source 1310~1550 nm

The Agilent 81657A is a dual-wavelength Fabry-Perot laser source module, designed for precision optical testing at 1310 nm and 1550 nm—the two most commonly used wavelengths in fiber optic communications. Here’s what makes it a solid lab companion: Wavelengths: 1310 nm and 1550 nm (±15 nm) Output power: Up to +13 dBm (20 mW) per channel Stability: ±0.03 dB over 24 hours—great for long-term measurements Back reflection immunity: Insensitive to reflections, making it ideal for testing broadband components Applications: Insertion loss, optical return loss, and polarization-dependent loss (PDL) measurements

Click the PDF Specification for further information.

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USD $5,950.00
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Used
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81657A
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Description
Agilent 81657A DFB, 1310/1550 nm, Modules fit Mainframe 8163A, 8164A and 8166A

  • Laser Type: Fabry-Perot Laser-Diode
  • Wavelength (+/- 15nm): 1310/1550 nm
  • Output power: < + 13 dBm (20 mW)
  • Beam Waist Diameter: 9 um
  • Numerical Aperture: 0.1
  • Max. permissible CW output power: 52 mW
  • Laser Class Accoring to IEC 60825-1(2001) International: 1M
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Product Details
81657A
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