diode laser: meaning, definition, pronunciation and examples
C1Technical/Scientific
Quick answer
What does “diode laser” mean?
A laser in which the active medium is a semiconductor diode, producing coherent light through electrical excitation.
Audio
Pronunciation
Definition
Meaning and Definition
A laser in which the active medium is a semiconductor diode, producing coherent light through electrical excitation.
A compact, efficient, solid-state laser device used widely in telecommunications, data storage (CD/DVD drives), barcode scanners, medical equipment, and industrial manufacturing.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling conventions (e.g., 'fibre optic' vs. 'fiber optic') apply to related terms.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally frequent in technical contexts in both UK and US English.
Grammar
How to Use “diode laser” in a Sentence
The [adj] diode laser [verb]...A diode laser based on [material]...to operate/couple/drive a diode laserVocabulary
Collocations
Examples
Examples of “diode laser” in a Sentence
verb
British English
- The system was diode-laser-pumped.
American English
- We need to diode-laser-encode the data.
adjective
British English
- diode-laser-based system
- diode-laser spectroscopy
American English
- diode-laser-based system
- diode-laser spectroscopy
Usage
Meaning in Context
Business
Used in procurement, product specifications, and R&D reports for electronics and photonics companies.
Academic
Common in physics, engineering, and optics papers describing experimental setups or device characteristics.
Everyday
Virtually unused unless explaining how a DVD player or laser pointer works.
Technical
The primary register; precise discussions of power output, wavelength, efficiency, and cooling requirements.
Vocabulary
Synonyms of “diode laser”
Strong
Neutral
Weak
Vocabulary
Antonyms of “diode laser”
Watch out
Common Mistakes When Using “diode laser”
- Incorrect plural: 'diode lasers' (correct), not 'diodes lasers'.
- Confusing it with LED (Light Emitting Diode), which emits incoherent light.
FAQ
Frequently Asked Questions
Yes, in most technical contexts they are interchangeable synonyms.
A laser pointer or the optical drive (CD/DVD/Blu-ray) in a computer.
High electrical-to-optical efficiency, small size, reliability, and direct modulation capability.
Yes, though infrared is most common. Red and blue laser pointers are examples of visible-light diode lasers.
A laser in which the active medium is a semiconductor diode, producing coherent light through electrical excitation.
Diode laser is usually technical/scientific in register.
Diode laser: in British English it is pronounced /ˈdaɪ.əʊd ˌleɪ.zər/, and in American English it is pronounced /ˈdaɪ.oʊd ˌleɪ.zɚ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. Too technical for idiomatic usage.”
Learning
Memory Aids
Mnemonic
Think of a diode that emits LASER light, not just regular light.
Conceptual Metaphor
A PINPOINT LIGHT PUMP: conceptualized as a device that 'pumps' out a very narrow, intense beam of light.
Practice
Quiz
What is the primary active medium in a diode laser?