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単一周波数ファイバレーザ
Koheras BASIKシリーズ
特長
- 低位相ノイズ、狭線幅
- 安定した単一周波数発振
- 広い波長調整範囲
- 高速周波数変調機能内蔵
- 産業用OEMパッケージ
- マルチチャンネルシステムまたはスタンドアロン構成
製品詳細
Koheras BASIKシリーズは、主に産業用OEM向けのコンパクトなモジュールです。また、ADJUSTIKベンチトップシステムおよびACOUSTIKマルチチャンネルシステムの構成要素としても設計されています。波長、出力パワー、RIN抑制などのレーザパラメータをPC上で制御および読み出しができる、ユーザーフレンドリーな専用制御ソフトウェア (CONTROL)が付属しています。
高い周波数安定性や長いコヒーレンス長を必要とする干渉計用途では、このレーザ技術の利点が最大限に活かされます。代表的な用途は、石油・ガス探査・開発などの地震探査を含むリモートセンシング、セキュリティ (境界・パイプライン検知)、構造物およびパイプラインの監視などです。
さらに、低強度ノイズと高いスペクトル安定性を兼ね備えているため、風力タービンや航空宇宙業界で使用される風力LiDARシステムや、干渉型レーザ振動計測システムの光源にも適しています。
仕様
光学的特性
| BASIK X15 | BASIK E15 | BASIK Y10 | |
| レーザ発振 | CW | ||
| ビーム品質 | M2 < 1.05 | ||
| 線幅*1 | < 0.1 kHz | < 20 kHz | |
| 最大位相ノイズ @1 Hz | -105 dB((Rad/√Hz)/m) | – | |
| 最大位相ノイズ @10 Hz | -125 dB((Rad/√Hz)/m) | -90 dB((Rad/√Hz)/m) | -83 dB((Rad/√Hz)/m) |
| 最大位相ノイズ @100 Hz | -130 dB((Rad/√Hz)/m) | -110 dB((Rad/√Hz)/m) | -95 dB((Rad/√Hz)/m) |
| 最大位相ノイズ @1 kHz | -128 dB((Rad/√Hz)/m) | -120 dB((Rad/√Hz)/m) | -101 dB((Rad/√Hz)/m) |
| 最大位相ノイズ @20 kHz | -130 dB((Rad/√Hz)/m) | -105 dB((Rad/√Hz)/m) | |
| 最大周波数ノイズ @1 Hz | 182.8 (Hz/√Hz) | – | |
| 最大周波数ノイズ @10 Hz | 18.3 (Hz/√Hz) | 1027.7 (Hz/√Hz) | 2300 (Hz/√Hz) |
| 最大周波数ノイズ @100 Hz | 10.3 (Hz/√Hz) | 102.8 (Hz/√Hz) | 577.9 (Hz/√Hz) |
| 最大周波数ノイズ @1 kHz | 12.9 (Hz/√Hz) | 32.5 (Hz/√Hz) | 289.7 (Hz/√Hz) |
| 最大周波数ノイズ @20 kHz | 10.3 (Hz/√Hz) | 10.3 (Hz/√Hz) | 182.8 (Hz/√Hz) |
| 光学S/N比 (50 pm分解能) | > 50 dB (typ. > 55 dB) [3] | > 65 dB (typ. > 70 dB) | |
| 温度による最小波長調整範囲*4 | ± 125 pm | ± 350 pm | ± 240 pm |
| 温度による総調整範囲 | 350 pm | 1000 pm | 680 pm |
| 高速波長変調範囲*5 | 0.5 GHz | 8 GHz | 10 GHz |
| 高速波長変調*5 | < 20 kHz | ||
| PM出力 – PER*5 | > 23 dB | ||
| モニタ光出力 | オプション | ||
| 出力パワー | 30 mW | 40 mW | > 10 mW |
| 動作波長 | 1535 nm ～ 1580 nm | 1030 nm ～ 1120 nm | |
| 出力調整範囲 | 30 % ～ 100 % | – | |
*1 ローレンツ分布
*2 波長 > 1090 nm の狭線幅モデルでは、5 mWのみ保証
*3 非PMモデルの場合、> 47 dB (代表値 > 52 dB)
*4 室温での中心波長に対する相対値。レーザを極端な低温または高温環境で動作させる場合、この波長範囲が上下いずれかで短縮される場合があります。
*5 X15およびY10の標準仕様
機械的特性
| BASIK X15 | BASIK E15 | BASIK Y10 | |
| 寸法 (W×H×L) | 91.2(111) mm × 22.5 mm × 220 mm | ||
| 質量 | 0.6 kg | ||
| 動作温度範囲*1 | +15 ℃ ～ +60 ℃ | ||
| 保存温度、結露なきこと | -20 ℃ ～ +60 ℃ | ||
| 湿度 | 0 %RH ～ 70 %RH | ||
*1 モジュール温度
電気的特性
| BASIK X15 | BASIK E15 | BASIK Y10 | |
| 電源要件 | 12 VDC | ||
| 消費電力 | 通常4 W、最大10 W | ||
| 電気インターフェース | 30ピン DIN41612オス | ||
| 高速変調駆動電圧 | 差動 2 × 5 V (コモンモード電圧2.5 V) | ||
| コネクタ – 標準 | FC/APC ピグテール | ||
| コネクタ – オプション | バルクヘッド／ピグテール FC/APC、SC/APC | ||
| モニタ出力 | オプション | ||
位相ノイズ例
外形寸法図 (単位: mm)
- Confirmation
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