Knowledge Centre
This page lists corporate documents about our business and also specialist data sheets relating to our optical components and materials. These are available to download from Crystan Ltd.
Note: While every care has been taken to ensure that documents in the download section are virus free, when downloading any file you should always have an up-to-date virus checker.
Specialist Data
Barium Fluoride BaF2
Cadmium Telluride (CdTe)
Caesium Bromide CsBr
Caesium Iodide CsI
Calcite CaCO3
Calcium Fluoride CaF2
Crystal Quartz SiO2
Diamond
Fused Silica SiO2
Gallium Arsenide GaAs
Gallium Lanthanum Sulphide GLS
Germanium Ge
KRS5 Thallium Bromo-Iodide
KRS6 Thallium Bromo-Chloride
Lanthanum Fluoride LaF3
Lead Fluoride (PbF2)
Lithium Fluoride LiF
Magnesium Oxide Mgo
Magnesium Fluoride MgF2
Optical Glass
Potassium Bromide KBr
Potassium Chloride KCl
Potassium Iodide KI
Rubidium Bromide RbBr
Rubidium Chloride RbCl
Rubidium Iodide RbI
Rutile TiO2
Sapphire Al2O3
Silicon Si
Silver Bromide AgBr
Silver Chloride AgCl
Sodium Chloride NaCl
Sodium Fluoride NaF
Spinel MgAl2O3
Strontium Fluoride SrF2
Thallium Chloride TlCl
Thallium Chloride TbCl
Yttrium Aluminium Garnet YAG
Zinc Selenide ZnSe
Zinc Sulfide ZnS FLIR
Zinc Sulfide ZnS Multispectral
Data relevant to special techniques
GLS Absorption
Near IR Absorption in Ga:La:S
KRS5 Safe Handling
Handling of KRS5 Optics
Guide to Calcium Fluoride Grades
Guide to Calcium Fluoride IR UV VUV Eximer and Raman Grades
Guide to Lanthanum Fluoride
Guide to Lanthanum Fluoride Ion-Selective Electrodes
Guide to Sapphire
Rough Guide to Sapphire
Guide to Grain Boundaries
Single Crystal versus Grain Boundaries
Guide to Quartz
Guide to Quartz Handedness
Guide to Cutting ZnSe and ZnS
Recommended direction for cutting ZnSe & ZnS
Guide to Silica
Rough Guide to Silica Glass
Zinc Selenide Handling
Handling of Zinc Selenide Optics
Thorium Coatings
Handling of Coatings containing Thorium Compounds
DESIGN & TECHNIQUE
Aspheric Lens Design
Aspheric lenses discussion and formula
Cleaning Optics
How to clean optics - if you must!
Crystal Quality
Standard crystal quality benchmark
Design of Pressure Windows
Calculation of pressure window thickness
Guide to Thermal Properties
Materials and Thermal Shock
CORPORATE DOCUMENTS
Conditions of Sale
Our Terms & Conditions
Quality Policy
Crystran Quality Policy
ISO9001 Certificate
Crystran Current Certificate from LRQI
Conditions of Purchase
Conditions of Purchase
Environmental Policy
Crystran Environmental Policy
ISO14001 Certificate
Crystran Current Certificate from SGS
