/*
* Copyright 2015-present Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onlab.util;
/**
* Telecom optical wavelength bands: O, E, S, C, L and U bands.
*
* See ITU-T G-Series Recommendations, Supplement 39
* See ITU-T G.694.1 for center frequency definition.
*/
public final class Spectrum {
// Center frequency
public static final Frequency CENTER_FREQUENCY = Frequency.ofGHz(193_100);
// O band (original): 1260 to 1360 nm
public static final Frequency O_BAND_MIN = Frequency.ofGHz(220_436);
public static final Frequency O_BAND_MAX = Frequency.ofGHz(237_931);
// E band (extended): 1360 to 1460 nm
public static final Frequency E_BAND_MIN = Frequency.ofGHz(205_337);
public static final Frequency E_BAND_MAX = Frequency.ofGHz(220_436);
// S band (short wavelength): 1460 to 1530 nm
public static final Frequency S_BAND_MIN = Frequency.ofGHz(195_943);
public static final Frequency S_BAND_MAX = Frequency.ofGHz(205_337);
// C band (conventional): 1530 to 1565 nm
public static final Frequency C_BAND_MIN = Frequency.ofGHz(191_561);
public static final Frequency C_BAND_MAX = Frequency.ofGHz(195_943);
// L band (long wavelength): 1565 to 1625 nm
public static final Frequency L_BAND_MIN = Frequency.ofGHz(184_488);
public static final Frequency L_BAND_MAX = Frequency.ofGHz(191_561);
// U band (ultra-long wavelength): 1625 to 1675 nm
public static final Frequency U_BAND_MIN = Frequency.ofGHz(178_981);
public static final Frequency U_BAND_MAX = Frequency.ofGHz(184_488);
private Spectrum() {
}
}