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QD4540HH - DFB QCL, 4.540 μm CWL, 3 cm⁻¹ Tuning, 70 mW, Horizontal HHL 
QD4540HH - DFB QCL, 4.540 μm CWL, 3 cm⁻¹ Tuning, 70 mW, Horizontal HHL
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QD4540HH
DFB QCL, 4.540 μm CWL, 3 cm⁻¹ Tuning, 70 mW, Horizontal HHL
This item can only be purchased as a serial item. Please see the family page to choose the item:
Part Number:QD4540HH -Ask a technical question Ask a technical question.
Package Weight:2.43 lbs / EACH
Available:Request Lead Time
RoHS:N/A
Price:$10,886.72
Release Date:Jun 10, 2025

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RoHS
REACH
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Warranty (Subject to our General Terms and Conditions)
One year warranty. Stand-alone or incorporated light sources are warrantied for the lesser of one year or (to the extent applicable) the number of hours stated in the specifications.
Compliance-Related Questions?
Contact us at compliance@thorlabs.com.
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