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EU:  INV_MICRON

Status: STD 2005/06/07
Code: 77
Symbol: 1/μm
EQ label: INV_LENGTH
 
Quantities associated with this Unit
Quantity: wavenumber (repetency)
Concept definition: 1/λ, where λ is wavelength [ISO 80000-3:2006, item 3-17].
 
Reference type: PR
Reference: [ISO 80000-3:2006, item 3-18.a]
Supplemental references: [ISO 80000-8:2007, item 8-6.a]
Quantity: angular repetency (angular wavenumber)
Concept definition: 2π σ, where σ is wavenumber [ISO 80000-3:2006, item 3-18].
1 μm-1 = 106 1/m (exactly).
 
Reference type: PR
Reference: [ISO 80000-3:2006, item 3-19.b]
Supplemental references: [ISO 80000-12:2009, item 12-10.b]
Quantity: angular repetency (angular wavenumber)
Concept definition: ω/c = 2π/λ, where ω is angular frequency [ISO 80000-8:2007, item 8-4], c is phase speed of sound [ISO 80000-8:2007, item 14.1], 2π is the phase difference, and λ is wavelength [ISO 80000-8:2007, item 8-5].
1 μm-1 = 106 1/m (exactly).
 
Reference type: PR
Reference: [ISO 80000-8:2007, item 8-7.b]
Supplemental references:  

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