PERMANENTLY SEALED MOLECULAR IODINE CELL
Product ID: I2S-5, I2S-10
To create the permanently sealed starved cell, the cell is evacuated and cold-finger filled with Iodine is brought to the desired vapor pressure (cold-finger operating temperature). The stem between the cold-finger and cell is then permanently sealed with a torch, isolating the Iodine in the cell body and fixing the number density. The cell is then operated 10-20 °C above the cold-finger set temperature and the Iodine in the cell is a super-heated vapor with a set number density. The result is a molecular cell with a very stable absorption spectra.
Permanently sealed iodine-vapor cells are 3-in.-dia, 5-in.-long or 10-in.-long Pyrex cells. These cells are manufactured with a prescribed iodine partial pressure (specified by user at time of order). In addition, the transitions can be pressure broadened with nitrogen partial pressure (specified at time of order).
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Standard Sealed Unit Includes:
- 1. Pyrex cell with optical-grade Pyrex windows.
- 2. Anodized-aluminum housing with post-mounting surface and 1/4 -20 threaded holes.
- 3. Heating mat and one type-K thermocouple.
- 4. Insulation to limit heat transfer to aluminum housing.
- 5. Absorption scan
SPECIFICATIONS FOR I2S-5 & I2S-10
Length | 125mm, 250mm |
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Diameter | 76mm |
Housing | Anodized Aluminum |
Mounting | ¼”-20 Threaded |
Maximum Operating Temperature | 130 ˚C |
Thermocouple | Type T |
Set Point | 30 ˚C – 50 ˚C |
Warranty | 1 year |
ECCN | EAR99 |