Product Brief

Features

  • High reliability/ durability
  • 2W power handling capacity
  • High coupling efficiency
  • High polarization extinction ratio
  • Near-Gaussian output beam

Overview

The EM4 fiber-optic collimator module is designed for harsh environment applications requiring both single and dual fiber coupling to free space. It features a large clear aperture and diffraction-limited wavefront error.

The module contains a single/dual fiber assembly with precision aligned lens to efficiently collimate light into free space from fiber coupled systems. The dual fiber allows for communication systems utilizing wavelength division multiplexing, transmitting and receiving in a single package, or redundancy in connecting for added levels of system-level reliability.  The device meets performance requirements in vacuum conditions and utilizes low outgassing materials for space applications.

Product Data Sheet
Collimator

Performance Characteristics*

TC=25°C, continuous wave and beginning of life unless otherwise specified

Optical characteristicsSymbolMinTypicalMaxUnit
Wavelength range2λ1550nm
Optical input power2Pinn/a.52W
Coupling efficiencyCE707578%
Polarization extinction ratioPER2125dB
Wavefront error (measured @ 1550nm & 25°C)WFE.025.03waves
Beam Waist*ω1011mm
Lens focal length2f50mm
Return loss2RL-55-60dB
Dual fiber field angle separationθ2.63mrad
Survival temperatureTsv-4085°C
Operating temperatureTop25°C
Weightw.25lbs

1- Specification represents bare fiber or FC/APC connector types. Other configurations may vary.

Fiber Characteristics

Fiber typeSM or PM single mode fiber
Jacket materialAcrylate
Core / outer / buffer diameter10.4 μm / 125 μm / 250 μm
Minimum bend radius3 in
Proof strength100 kPSI
Connector, output polarization (PM)FC/APC, polarization parallel to slow axis

2- Customization available upon request

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