TO-9 Packaged Laser Diode- Capped

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TO-9 Packaged Laser Diode- Capped

SKU: 1214

Part Number: TO9-189-114

Availability: Lead time: 1 Week

SemiNex's TO9 Mounted Laser Diodes are an excellent choice for customers seeking state-of-art performance in a low cost submount design. These lasers are provided across the InP wavelength range of 12xx to 19xx and come in a variety of power, wavelength, capped and lensed configurations. Applications for SemiNex's sub mounted lasers include OEM medical, consumer medical, LiDAR, Military targeting, range finding and illumination. Custom wavelengths and configurations available upon request.
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  • Wavelength: 1545 nm

  • Power: 0.36 W CW

  • Aperture:  4 um

  • Mode: Single Mode

  • Cavity Length: 2500 µm

  • TO-9 Cap 4.6mm Tall

Symbol Value Units
Wavelength λc 1545 nm(+/-20)
Output Power (CW) Po 0.36 watts
Spectral Width Δλ 10 nm 3dB
Cavity Length CL 2500 μm
Emitter Width W 4 μm
Emitter Height H 1 μm
Temp. Coefficient Δλ/ΔλT 0.55 nm/C
Slope Efficiency ηo 0.3 W/A
Slow Axis Divg. θ_parallel 10 deg FWHM
Fast Axis Divg. θ_perp 30 deg FWHM
Number of emitters   1  
Duty Cycle DC 100 %
Included Part Option   TO-9 Cap 4.6mm Tall  
Power Conversion Eff. η 12 Min
Threshold Current Ith 0.05 A
Operating Current Iop 1.2 A
Operating Voltage Vop 2.5 V
Series Resistance Rs 1.3 ohm
Lead Soldering Temp. 250 °C
Storage Temp. -40 to 80 °C
Weight 2 g
Operating Temp. -40 to 60 °C
Laser Engine Misc
LE X Axis Divergence θ_X 30 deg FWHM
LE Y Axis Divergence θ_Y 10 deg FWHM



SemiNex delivers the highest available power at infrared wavelengths between 12xx and 19xx nm. When necessary we will further optimize the design of our InP laser chips to meet our customers' specific optical and electrical performance needs. Diodes, bars and packages are tested to meet customer and market performance demands. Typical results and packaging options are shown. Contact SemiNex for additional details or to discuss your specific requirements.
Click here to see product information sheet


  • OEM Medical
  • Professional Medical
  • LiDAR
  • Military / Aerospace
  • Illumination

  • Cost effective
  • High Output Power
  • High Dynamic Range
  • High Efficiency
  • Standard Low Cost Package
  • Capped

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