| Description: The unit_id attribute provides a character or character string that serves as an abbreviation for, or symbol representing, a unit of measure. |
| Namespace Id: pds | Steward: pds | Class Name: Units_of_Wavenumber | Type: UTF8_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: None |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | 1/cm | 1/cm is an abbreviation for inverse centimeter, which is a unit of wavenumber (100 cm = one hundred centimeters = 1 meter). |
| | 1/m | 1/m is an abbreviation for inverse meter, which is a unit of wavenumber (meter is an SI base unit). |
| | 1/nm | 1/nm is an abbreviation for inverse nanometer, which is a unit of wavenumber (10**9 nm = one billion nanometers = 1 meter). |
| | cm**-1 - *Deprecated* | The abbreviated unit for Units_of_Wavenumber is cm**-1 |
| | m**-1 - *Deprecated* | The abbreviated unit for Units_of_Wavenumber is m**-1 |
| | nm**-1 - *Deprecated* | The abbreviated unit for Units_of_Wavenumber is nm**-1 |